20199851077

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{757201}}^1$

素因数の和:757348

約数の個数: 16

約数和(自身を含む): 23939698432

約数和(自身を除く): 3739847355

約数列:

[1, 7, 37, 103, 259, 721, 3811, 26677, 757201, 5300407, 28016437, 77991703, 196115059, 545941921, 2885693011, 20199851077]

約数ペア:

[(1, 20199851077), (7, 2885693011), (37, 545941921), (103, 196115059), (259, 77991703), (721, 28016437), (3811, 5300407), (26677, 757201)]