20121155047

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{156059}}^1$

素因数の和:156342

約数の個数: 16

約数和(自身を含む): 23341582080

約数和(自身を除く): 3220427033

約数列:

[1, 7, 113, 163, 791, 1141, 18419, 128933, 156059, 1092413, 17634667, 25437617, 123442669, 178063319, 2874450721, 20121155047]

約数ペア:

[(1, 20121155047), (7, 2874450721), (113, 178063319), (163, 123442669), (791, 25437617), (1141, 17634667), (18419, 1092413), (128933, 156059)]