20258628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7639}}^1$

素因数の和:7676

約数の個数: 48

約数和(自身を含む): 53907840

約数和(自身を除く): 33649212

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7639, 15278, 22917, 30556, 45834, 91668, 99307, 129863, 198614, 259726, 297921, 389589, 397228, 519452, 595842, 779178, 1191684, 1558356, 1688219, 3376438, 5064657, 6752876, 10129314, 20258628]

約数ペア:

[(1, 20258628), (2, 10129314), (3, 6752876), (4, 5064657), (6, 3376438), (12, 1688219), (13, 1558356), (17, 1191684), (26, 779178), (34, 595842), (39, 519452), (51, 397228), (52, 389589), (68, 297921), (78, 259726), (102, 198614), (156, 129863), (204, 99307), (221, 91668), (442, 45834), (663, 30556), (884, 22917), (1326, 15278), (2652, 7639)]