20758899

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 32376000

約数和(自身を除く): 11617101

約数列:

[1, 3, 7, 21, 49, 147, 283, 499, 849, 1497, 1981, 3493, 5943, 10479, 13867, 24451, 41601, 73353, 141217, 423651, 988519, 2965557, 6919633, 20758899]

約数ペア:

[(1, 20758899), (3, 6919633), (7, 2965557), (21, 988519), (49, 423651), (147, 141217), (283, 73353), (499, 41601), (849, 24451), (1497, 13867), (1981, 10479), (3493, 5943)]