20315798

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 10995562

約数列:

[1, 2, 71, 79, 142, 158, 1811, 3622, 5609, 11218, 128581, 143069, 257162, 286138, 10157899, 20315798]

約数ペア:

[(1, 20315798), (2, 10157899), (71, 286138), (79, 257162), (142, 143069), (158, 128581), (1811, 11218), (3622, 5609)]