20128308974

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{628499}}^1$

素因数の和:628807

約数の個数: 16

約数和(自身を含む): 30771360000

約数和(自身を除く): 10643051026

約数列:

[1, 2, 67, 134, 239, 478, 16013, 32026, 628499, 1256998, 42109433, 84218866, 150211261, 300422522, 10064154487, 20128308974]

約数ペア:

[(1, 20128308974), (2, 10064154487), (67, 300422522), (134, 150211261), (239, 84218866), (478, 42109433), (16013, 1256998), (32026, 628499)]