20162787365

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{27791}}^1$

素因数の和:28913

約数の個数: 32

約数和(自身を含む): 29134909440

約数和(自身を除く): 8972122075

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1091, 5455, 7637, 20729, 27791, 38185, 103645, 138955, 145103, 194537, 528029, 725515, 972685, 2640145, 3696203, 18481015, 30319981, 151599905, 212239867, 576079639, 1061199335, 2880398195, 4032557473, 20162787365]

約数ペア:

[(1, 20162787365), (5, 4032557473), (7, 2880398195), (19, 1061199335), (35, 576079639), (95, 212239867), (133, 151599905), (665, 30319981), (1091, 18481015), (5455, 3696203), (7637, 2640145), (20729, 972685), (27791, 725515), (38185, 528029), (103645, 194537), (138955, 145103)]