20318181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1697}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 29287104

約数和(自身を除く): 8968923

約数列:

[1, 3, 13, 39, 307, 921, 1697, 3991, 5091, 11973, 22061, 66183, 520979, 1562937, 6772727, 20318181]

約数ペア:

[(1, 20318181), (3, 6772727), (13, 1562937), (39, 520979), (307, 66183), (921, 22061), (1697, 11973), (3991, 5091)]