20876040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 68627520

約数和(自身を除く): 47751480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 563, 618, 824, 927, 1030, 1126, 1236, 1545, 1689, 1854, 2060, 2252, 2472, 2815, 3090, 3378, 3708, 4120, 4504, 4635, 5067, 5630, 6180, 6756, 7416, 8445, 9270, 10134, 11260, 12360, 13512, 16890, 18540, 20268, 22520, 25335, 33780, 37080, 40536, 50670, 57989, 67560, 101340, 115978, 173967, 202680, 231956, 289945, 347934, 463912, 521901, 579890, 695868, 869835, 1043802, 1159780, 1391736, 1739670, 2087604, 2319560, 2609505, 3479340, 4175208, 5219010, 6958680, 10438020, 20876040]

約数ペア:

[(1, 20876040), (2, 10438020), (3, 6958680), (4, 5219010), (5, 4175208), (6, 3479340), (8, 2609505), (9, 2319560), (10, 2087604), (12, 1739670), (15, 1391736), (18, 1159780), (20, 1043802), (24, 869835), (30, 695868), (36, 579890), (40, 521901), (45, 463912), (60, 347934), (72, 289945), (90, 231956), (103, 202680), (120, 173967), (180, 115978), (206, 101340), (309, 67560), (360, 57989), (412, 50670), (515, 40536), (563, 37080), (618, 33780), (824, 25335), (927, 22520), (1030, 20268), (1126, 18540), (1236, 16890), (1545, 13512), (1689, 12360), (1854, 11260), (2060, 10134), (2252, 9270), (2472, 8445), (2815, 7416), (3090, 6756), (3378, 6180), (3708, 5630), (4120, 5067), (4504, 4635)]