20984574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9277}}^1$

素因数の和:9324

約数の個数: 32

約数和(自身を含む): 46761120

約数和(自身を除く): 25776546

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9277, 18554, 27831, 55662, 120601, 241202, 269033, 361803, 538066, 723606, 807099, 1614198, 3497429, 6994858, 10492287, 20984574]

約数ペア:

[(1, 20984574), (2, 10492287), (3, 6994858), (6, 3497429), (13, 1614198), (26, 807099), (29, 723606), (39, 538066), (58, 361803), (78, 269033), (87, 241202), (174, 120601), (377, 55662), (754, 27831), (1131, 18554), (2262, 9277)]