20199803110

素因数分解:

$2^1\times 5^1\times {\mathrm{12721}}^1\times {\mathrm{158791}}^1$

素因数の和:171519

約数の個数: 16

約数和(自身を含む): 36362732832

約数和(自身を除く): 16162929722

約数列:

[1, 2, 5, 10, 12721, 25442, 63605, 127210, 158791, 317582, 793955, 1587910, 2019980311, 4039960622, 10099901555, 20199803110]

約数ペア:

[(1, 20199803110), (2, 10099901555), (5, 4039960622), (10, 2019980311), (12721, 1587910), (25442, 793955), (63605, 317582), (127210, 158791)]