20178602492

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{461}}^1\times {\mathrm{138517}}^1$

素因数の和:139061

約数の個数: 24

約数和(自身を含む): 35837376960

約数和(自身を除く): 15658774468

約数列:

[1, 2, 4, 79, 158, 316, 461, 922, 1844, 36419, 72838, 138517, 145676, 277034, 554068, 10942843, 21885686, 43771372, 63856337, 127712674, 255425348, 5044650623, 10089301246, 20178602492]

約数ペア:

[(1, 20178602492), (2, 10089301246), (4, 5044650623), (79, 255425348), (158, 127712674), (316, 63856337), (461, 43771372), (922, 21885686), (1844, 10942843), (36419, 554068), (72838, 277034), (138517, 145676)]