20067804940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{743803}}^1$

素因数の和:743902

約数の個数: 48

約数和(自身を含む): 44985265920

約数和(自身を除く): 24917460980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 26980, 743803, 1487606, 2975212, 3719015, 7438030, 14132257, 14876060, 28264514, 52810013, 56529028, 70661285, 105620026, 141322570, 211240052, 264050065, 282645140, 528100130, 1003390247, 1056200260, 2006780494, 4013560988, 5016951235, 10033902470, 20067804940]

約数ペア:

[(1, 20067804940), (2, 10033902470), (4, 5016951235), (5, 4013560988), (10, 2006780494), (19, 1056200260), (20, 1003390247), (38, 528100130), (71, 282645140), (76, 264050065), (95, 211240052), (142, 141322570), (190, 105620026), (284, 70661285), (355, 56529028), (380, 52810013), (710, 28264514), (1349, 14876060), (1420, 14132257), (2698, 7438030), (5396, 3719015), (6745, 2975212), (13490, 1487606), (26980, 743803)]