20428939583

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{3511}}^1$

素因数の和:3767

約数の個数: 32

約数和(自身を含む): 22939822080

約数和(自身を除く): 2510882497

約数列:

[1, 13, 47, 89, 107, 611, 1157, 1391, 3511, 4183, 5029, 9523, 45643, 54379, 65377, 123799, 165017, 312479, 375677, 447581, 2145221, 4062227, 4883801, 5818553, 14686513, 17656819, 33435253, 190924669, 229538647, 434658289, 1571456891, 20428939583]

約数ペア:

[(1, 20428939583), (13, 1571456891), (47, 434658289), (89, 229538647), (107, 190924669), (611, 33435253), (1157, 17656819), (1391, 14686513), (3511, 5818553), (4183, 4883801), (5029, 4062227), (9523, 2145221), (45643, 447581), (54379, 375677), (65377, 312479), (123799, 165017)]