20155845153

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{401}}^1\times {\mathrm{643}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 27437985792

約数和(自身を除く): 7282140639

約数列:

[1, 3, 71, 213, 367, 401, 643, 1101, 1203, 1929, 26057, 28471, 45653, 78171, 85413, 136959, 147167, 235981, 257843, 441501, 707943, 773529, 10448857, 16754651, 18306853, 31346571, 50263953, 54920559, 94628381, 283885143, 6718615051, 20155845153]

約数ペア:

[(1, 20155845153), (3, 6718615051), (71, 283885143), (213, 94628381), (367, 54920559), (401, 50263953), (643, 31346571), (1101, 18306853), (1203, 16754651), (1929, 10448857), (26057, 773529), (28471, 707943), (45653, 441501), (78171, 257843), (85413, 235981), (136959, 147167)]