20121911855

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1\times {\mathrm{91457}}^1$

素因数の和:92098

約数の個数: 16

約数和(自身を含む): 24496110720

約数和(自身を除く): 4374198865

約数列:

[1, 5, 79, 395, 557, 2785, 44003, 91457, 220015, 457285, 7225103, 36125515, 50941549, 254707745, 4024382371, 20121911855]

約数ペア:

[(1, 20121911855), (5, 4024382371), (79, 254707745), (395, 50941549), (557, 36125515), (2785, 7225103), (44003, 457285), (91457, 220015)]