20172086665

素因数分解:

$5^1\times {\mathrm{311}}^1\times {\mathrm{1153}}^1\times {\mathrm{11251}}^1$

素因数の和:12720

約数の個数: 16

約数和(自身を含む): 24307560576

約数和(自身を除く): 4135473911

約数列:

[1, 5, 311, 1153, 1555, 5765, 11251, 56255, 358583, 1792915, 3499061, 12972403, 17495305, 64862015, 4034417333, 20172086665]

約数ペア:

[(1, 20172086665), (5, 4034417333), (311, 64862015), (1153, 17495305), (1555, 12972403), (5765, 3499061), (11251, 1792915), (56255, 358583)]