20672040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5602

約数の個数: 64

約数和(自身を含む): 64028160

約数和(自身を除く): 43356120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5557, 11114, 16671, 22228, 27785, 33342, 44456, 55570, 66684, 83355, 111140, 133368, 166710, 172267, 222280, 333420, 344534, 516801, 666840, 689068, 861335, 1033602, 1378136, 1722670, 2067204, 2584005, 3445340, 4134408, 5168010, 6890680, 10336020, 20672040]

約数ペア:

[(1, 20672040), (2, 10336020), (3, 6890680), (4, 5168010), (5, 4134408), (6, 3445340), (8, 2584005), (10, 2067204), (12, 1722670), (15, 1378136), (20, 1033602), (24, 861335), (30, 689068), (31, 666840), (40, 516801), (60, 344534), (62, 333420), (93, 222280), (120, 172267), (124, 166710), (155, 133368), (186, 111140), (248, 83355), (310, 66684), (372, 55570), (465, 44456), (620, 33342), (744, 27785), (930, 22228), (1240, 16671), (1860, 11114), (3720, 5557)]