20118763007

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{4217}}^1\times {\mathrm{11173}}^1$

素因数の和:15458

約数の個数: 16

約数和(自身を含む): 23377438272

約数和(自身を除く): 3258675265

約数列:

[1, 7, 61, 427, 4217, 11173, 29519, 78211, 257237, 681553, 1800659, 4770871, 47116541, 329815787, 2874109001, 20118763007]

約数ペア:

[(1, 20118763007), (7, 2874109001), (61, 329815787), (427, 47116541), (4217, 4770871), (11173, 1800659), (29519, 681553), (78211, 257237)]