20900492784

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2281}}^1$

素因数の和:2528

約数の個数: 240

約数和(自身を含む): 65552366880

約数和(自身を除く): 44651874096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 197, 204, 228, 272, 304, 306, 323, 342, 394, 408, 456, 591, 612, 646, 684, 788, 816, 912, 969, 1182, 1224, 1292, 1368, 1576, 1773, 1938, 2281, 2364, 2448, 2584, 2736, 2907, 3152, 3349, 3546, 3743, 3876, 4562, 4728, 5168, 5814, 6698, 6843, 7092, 7486, 7752, 9124, 9456, 10047, 11229, 11628, 13396, 13686, 14184, 14972, 15504, 18248, 20094, 20529, 22458, 23256, 26792, 27372, 28368, 29944, 30141, 33687, 36496, 38777, 40188, 41058, 43339, 44916, 46512, 53584, 54744, 59888, 60282, 63631, 67374, 77554, 80376, 82116, 86678, 89832, 109488, 116331, 120564, 127262, 130017, 134748, 155108, 160752, 164232, 173356, 179664, 190893, 232662, 241128, 254524, 260034, 269496, 310216, 328464, 346712, 348993, 381786, 390051, 449357, 465324, 482256, 509048, 520068, 538992, 572679, 620432, 693424, 697986, 736763, 763572, 780102, 898714, 930648, 1018096, 1040136, 1145358, 1348071, 1395972, 1473526, 1527144, 1560204, 1797428, 1861296, 2080272, 2210289, 2290716, 2696142, 2791944, 2947052, 3054288, 3120408, 3594856, 4044213, 4420578, 4581432, 5392284, 5583888, 5894104, 6240816, 6630867, 7189712, 7639069, 8088426, 8537783, 8841156, 9162864, 10784568, 11788208, 13261734, 15278138, 16176852, 17075566, 17682312, 21569136, 22917207, 25613349, 26523468, 30556276, 32353704, 34151132, 35364624, 45834414, 51226698, 53046936, 61112552, 64707408, 68302264, 68751621, 76840047, 91668828, 102453396, 106093872, 122225104, 136604528, 137503242, 145142311, 153680094, 183337656, 204906792, 275006484, 290284622, 307360188, 366675312, 409813584, 435426933, 550012968, 580569244, 614720376, 870853866, 1100025936, 1161138488, 1229440752, 1306280799, 1741707732, 2322276976, 2612561598, 3483415464, 5225123196, 6966830928, 10450246392, 20900492784]

約数ペア:

[(1, 20900492784), (2, 10450246392), (3, 6966830928), (4, 5225123196), (6, 3483415464), (8, 2612561598), (9, 2322276976), (12, 1741707732), (16, 1306280799), (17, 1229440752), (18, 1161138488), (19, 1100025936), (24, 870853866), (34, 614720376), (36, 580569244), (38, 550012968), (48, 435426933), (51, 409813584), (57, 366675312), (68, 307360188), (72, 290284622), (76, 275006484), (102, 204906792), (114, 183337656), (136, 153680094), (144, 145142311), (152, 137503242), (153, 136604528), (171, 122225104), (197, 106093872), (204, 102453396), (228, 91668828), (272, 76840047), (304, 68751621), (306, 68302264), (323, 64707408), (342, 61112552), (394, 53046936), (408, 51226698), (456, 45834414), (591, 35364624), (612, 34151132), (646, 32353704), (684, 30556276), (788, 26523468), (816, 25613349), (912, 22917207), (969, 21569136), (1182, 17682312), (1224, 17075566), (1292, 16176852), (1368, 15278138), (1576, 13261734), (1773, 11788208), (1938, 10784568), (2281, 9162864), (2364, 8841156), (2448, 8537783), (2584, 8088426), (2736, 7639069), (2907, 7189712), (3152, 6630867), (3349, 6240816), (3546, 5894104), (3743, 5583888), (3876, 5392284), (4562, 4581432), (4728, 4420578), (5168, 4044213), (5814, 3594856), (6698, 3120408), (6843, 3054288), (7092, 2947052), (7486, 2791944), (7752, 2696142), (9124, 2290716), (9456, 2210289), (10047, 2080272), (11229, 1861296), (11628, 1797428), (13396, 1560204), (13686, 1527144), (14184, 1473526), (14972, 1395972), (15504, 1348071), (18248, 1145358), (20094, 1040136), (20529, 1018096), (22458, 930648), (23256, 898714), (26792, 780102), (27372, 763572), (28368, 736763), (29944, 697986), (30141, 693424), (33687, 620432), (36496, 572679), (38777, 538992), (40188, 520068), (41058, 509048), (43339, 482256), (44916, 465324), (46512, 449357), (53584, 390051), (54744, 381786), (59888, 348993), (60282, 346712), (63631, 328464), (67374, 310216), (77554, 269496), (80376, 260034), (82116, 254524), (86678, 241128), (89832, 232662), (109488, 190893), (116331, 179664), (120564, 173356), (127262, 164232), (130017, 160752), (134748, 155108)]