20488022009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4247983}}^1$

素因数の和:4248056

約数の個数: 16

約数和(自身を含む): 25691807232

約数和(自身を除く): 5203785223

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 4247983, 29735881, 55223779, 225143099, 386566453, 1576001693, 2926860287, 20488022009]

約数ペア:

[(1, 20488022009), (7, 2926860287), (13, 1576001693), (53, 386566453), (91, 225143099), (371, 55223779), (689, 29735881), (4823, 4247983)]