20808614931

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{519527}}^1$

素因数の和:519635

約数の個数: 24

約数和(自身を含む): 30423559680

約数和(自身を除く): 9614944749

約数列:

[1, 3, 13, 39, 79, 169, 237, 507, 1027, 3081, 13351, 40053, 519527, 1558581, 6753851, 20261553, 41042633, 87800063, 123127899, 263400189, 533554229, 1600662687, 6936204977, 20808614931]

約数ペア:

[(1, 20808614931), (3, 6936204977), (13, 1600662687), (39, 533554229), (79, 263400189), (169, 123127899), (237, 87800063), (507, 41042633), (1027, 20261553), (3081, 6753851), (13351, 1558581), (40053, 519527)]