20487739360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 288

約数和(自身を含む): 55642458816

約数和(自身を除く): 35154719456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 53, 55, 80, 82, 88, 106, 110, 121, 160, 164, 176, 205, 212, 220, 242, 265, 328, 352, 410, 424, 440, 451, 484, 487, 530, 583, 605, 656, 820, 848, 880, 902, 968, 974, 1060, 1166, 1210, 1312, 1640, 1696, 1760, 1804, 1936, 1948, 2120, 2173, 2255, 2332, 2420, 2435, 2915, 3280, 3608, 3872, 3896, 4240, 4346, 4510, 4664, 4840, 4870, 4961, 5357, 5830, 6413, 6560, 7216, 7792, 8480, 8692, 9020, 9328, 9680, 9740, 9922, 10714, 10865, 11660, 12826, 14432, 15584, 17384, 18040, 18656, 19360, 19480, 19844, 19967, 21428, 21730, 23320, 23903, 24805, 25652, 25811, 26785, 32065, 34768, 36080, 38960, 39688, 39934, 42856, 43460, 46640, 47806, 49610, 51304, 51622, 53570, 58927, 64130, 69536, 72160, 77920, 79376, 79868, 85712, 86920, 93280, 95612, 99220, 99835, 102608, 103244, 107140, 117854, 119515, 128260, 129055, 158752, 159736, 171424, 173840, 191224, 198440, 199670, 205216, 206488, 214280, 219637, 235708, 239030, 256520, 258110, 262933, 283921, 294635, 319472, 347680, 382448, 396880, 399340, 412976, 428560, 439274, 471416, 478060, 513040, 516220, 525866, 567842, 589270, 638944, 764896, 793760, 798680, 825952, 857120, 878548, 942832, 956120, 1026080, 1032440, 1051732, 1058251, 1098185, 1135684, 1178540, 1314665, 1419605, 1597360, 1757096, 1885664, 1912240, 2064880, 2103464, 2116502, 2196370, 2271368, 2357080, 2416007, 2629330, 2839210, 3123131, 3194720, 3514192, 3824480, 4129760, 4206928, 4233004, 4392740, 4542736, 4714160, 4832014, 5258660, 5291255, 5678420, 6246262, 7028384, 8413856, 8466008, 8785480, 9085472, 9428320, 9664028, 10517320, 10582510, 11356840, 11640761, 12080035, 12492524, 15615655, 16932016, 17570960, 19328056, 21034640, 21165020, 22713680, 23281522, 24160070, 24985048, 31231310, 33864032, 35141920, 38656112, 42069280, 42330040, 45427360, 46563044, 48320140, 49970096, 58203805, 62462620, 77312224, 84660080, 93126088, 96640280, 99940192, 116407610, 124925240, 128048371, 169320160, 186252176, 193280560, 232815220, 249850480, 256096742, 372504352, 386561120, 465630440, 499700960, 512193484, 640241855, 931260880, 1024386968, 1280483710, 1862521760, 2048773936, 2560967420, 4097547872, 5121934840, 10243869680, 20487739360]

約数ペア:

[(1, 20487739360), (2, 10243869680), (4, 5121934840), (5, 4097547872), (8, 2560967420), (10, 2048773936), (11, 1862521760), (16, 1280483710), (20, 1024386968), (22, 931260880), (32, 640241855), (40, 512193484), (41, 499700960), (44, 465630440), (53, 386561120), (55, 372504352), (80, 256096742), (82, 249850480), (88, 232815220), (106, 193280560), (110, 186252176), (121, 169320160), (160, 128048371), (164, 124925240), (176, 116407610), (205, 99940192), (212, 96640280), (220, 93126088), (242, 84660080), (265, 77312224), (328, 62462620), (352, 58203805), (410, 49970096), (424, 48320140), (440, 46563044), (451, 45427360), (484, 42330040), (487, 42069280), (530, 38656112), (583, 35141920), (605, 33864032), (656, 31231310), (820, 24985048), (848, 24160070), (880, 23281522), (902, 22713680), (968, 21165020), (974, 21034640), (1060, 19328056), (1166, 17570960), (1210, 16932016), (1312, 15615655), (1640, 12492524), (1696, 12080035), (1760, 11640761), (1804, 11356840), (1936, 10582510), (1948, 10517320), (2120, 9664028), (2173, 9428320), (2255, 9085472), (2332, 8785480), (2420, 8466008), (2435, 8413856), (2915, 7028384), (3280, 6246262), (3608, 5678420), (3872, 5291255), (3896, 5258660), (4240, 4832014), (4346, 4714160), (4510, 4542736), (4664, 4392740), (4840, 4233004), (4870, 4206928), (4961, 4129760), (5357, 3824480), (5830, 3514192), (6413, 3194720), (6560, 3123131), (7216, 2839210), (7792, 2629330), (8480, 2416007), (8692, 2357080), (9020, 2271368), (9328, 2196370), (9680, 2116502), (9740, 2103464), (9922, 2064880), (10714, 1912240), (10865, 1885664), (11660, 1757096), (12826, 1597360), (14432, 1419605), (15584, 1314665), (17384, 1178540), (18040, 1135684), (18656, 1098185), (19360, 1058251), (19480, 1051732), (19844, 1032440), (19967, 1026080), (21428, 956120), (21730, 942832), (23320, 878548), (23903, 857120), (24805, 825952), (25652, 798680), (25811, 793760), (26785, 764896), (32065, 638944), (34768, 589270), (36080, 567842), (38960, 525866), (39688, 516220), (39934, 513040), (42856, 478060), (43460, 471416), (46640, 439274), (47806, 428560), (49610, 412976), (51304, 399340), (51622, 396880), (53570, 382448), (58927, 347680), (64130, 319472), (69536, 294635), (72160, 283921), (77920, 262933), (79376, 258110), (79868, 256520), (85712, 239030), (86920, 235708), (93280, 219637), (95612, 214280), (99220, 206488), (99835, 205216), (102608, 199670), (103244, 198440), (107140, 191224), (117854, 173840), (119515, 171424), (128260, 159736), (129055, 158752)]