20542800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 74727360

約数和(自身を除く): 54184560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 25, 30, 34, 38, 40, 48, 50, 51, 53, 57, 60, 68, 75, 76, 80, 85, 95, 100, 102, 106, 114, 120, 136, 150, 152, 159, 170, 190, 200, 204, 212, 228, 240, 255, 265, 272, 285, 300, 304, 318, 323, 340, 380, 400, 408, 424, 425, 456, 475, 510, 530, 570, 600, 636, 646, 680, 760, 795, 816, 848, 850, 901, 912, 950, 969, 1007, 1020, 1060, 1140, 1200, 1272, 1275, 1292, 1325, 1360, 1425, 1520, 1590, 1615, 1700, 1802, 1900, 1938, 2014, 2040, 2120, 2280, 2544, 2550, 2584, 2650, 2703, 2850, 3021, 3180, 3230, 3400, 3604, 3800, 3876, 3975, 4028, 4080, 4240, 4505, 4560, 4845, 5035, 5100, 5168, 5300, 5406, 5700, 6042, 6360, 6460, 6800, 7208, 7600, 7752, 7950, 8056, 8075, 9010, 9690, 10070, 10200, 10600, 10812, 11400, 12084, 12720, 12920, 13515, 14416, 15105, 15504, 15900, 16112, 16150, 17119, 18020, 19380, 20140, 20400, 21200, 21624, 22525, 22800, 24168, 24225, 25175, 25840, 27030, 30210, 31800, 32300, 34238, 36040, 38760, 40280, 43248, 45050, 48336, 48450, 50350, 51357, 54060, 60420, 63600, 64600, 67575, 68476, 72080, 75525, 77520, 80560, 85595, 90100, 96900, 100700, 102714, 108120, 120840, 129200, 135150, 136952, 151050, 171190, 180200, 193800, 201400, 205428, 216240, 241680, 256785, 270300, 273904, 302100, 342380, 360400, 387600, 402800, 410856, 427975, 513570, 540600, 604200, 684760, 821712, 855950, 1027140, 1081200, 1208400, 1283925, 1369520, 1711900, 2054280, 2567850, 3423800, 4108560, 5135700, 6847600, 10271400, 20542800]

約数ペア:

[(1, 20542800), (2, 10271400), (3, 6847600), (4, 5135700), (5, 4108560), (6, 3423800), (8, 2567850), (10, 2054280), (12, 1711900), (15, 1369520), (16, 1283925), (17, 1208400), (19, 1081200), (20, 1027140), (24, 855950), (25, 821712), (30, 684760), (34, 604200), (38, 540600), (40, 513570), (48, 427975), (50, 410856), (51, 402800), (53, 387600), (57, 360400), (60, 342380), (68, 302100), (75, 273904), (76, 270300), (80, 256785), (85, 241680), (95, 216240), (100, 205428), (102, 201400), (106, 193800), (114, 180200), (120, 171190), (136, 151050), (150, 136952), (152, 135150), (159, 129200), (170, 120840), (190, 108120), (200, 102714), (204, 100700), (212, 96900), (228, 90100), (240, 85595), (255, 80560), (265, 77520), (272, 75525), (285, 72080), (300, 68476), (304, 67575), (318, 64600), (323, 63600), (340, 60420), (380, 54060), (400, 51357), (408, 50350), (424, 48450), (425, 48336), (456, 45050), (475, 43248), (510, 40280), (530, 38760), (570, 36040), (600, 34238), (636, 32300), (646, 31800), (680, 30210), (760, 27030), (795, 25840), (816, 25175), (848, 24225), (850, 24168), (901, 22800), (912, 22525), (950, 21624), (969, 21200), (1007, 20400), (1020, 20140), (1060, 19380), (1140, 18020), (1200, 17119), (1272, 16150), (1275, 16112), (1292, 15900), (1325, 15504), (1360, 15105), (1425, 14416), (1520, 13515), (1590, 12920), (1615, 12720), (1700, 12084), (1802, 11400), (1900, 10812), (1938, 10600), (2014, 10200), (2040, 10070), (2120, 9690), (2280, 9010), (2544, 8075), (2550, 8056), (2584, 7950), (2650, 7752), (2703, 7600), (2850, 7208), (3021, 6800), (3180, 6460), (3230, 6360), (3400, 6042), (3604, 5700), (3800, 5406), (3876, 5300), (3975, 5168), (4028, 5100), (4080, 5035), (4240, 4845), (4505, 4560)]