20123711993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1013}}^1\times {\mathrm{257993}}^1$

素因数の和:259024

約数の個数: 16

約数和(自身を含む): 25114167936

約数和(自身を除く): 4990455943

約数列:

[1, 7, 11, 77, 1013, 7091, 11143, 78001, 257993, 1805951, 2837923, 19865461, 261346909, 1829428363, 2874815999, 20123711993]

約数ペア:

[(1, 20123711993), (7, 2874815999), (11, 1829428363), (77, 261346909), (1013, 19865461), (7091, 2837923), (11143, 1805951), (78001, 257993)]