20888906272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{30977}}^1$

素因数の和:32621

約数の個数: 48

約数和(自身を含む): 44317250712

約数和(自身を除く): 23428344440

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1621, 3242, 6484, 12968, 21073, 25936, 30977, 42146, 51872, 61954, 84292, 123908, 168584, 247816, 337168, 402701, 495632, 674336, 805402, 991264, 1610804, 3221608, 6443216, 12886432, 50213717, 100427434, 200854868, 401709736, 652778321, 803419472, 1305556642, 1606838944, 2611113284, 5222226568, 10444453136, 20888906272]

約数ペア:

[(1, 20888906272), (2, 10444453136), (4, 5222226568), (8, 2611113284), (13, 1606838944), (16, 1305556642), (26, 803419472), (32, 652778321), (52, 401709736), (104, 200854868), (208, 100427434), (416, 50213717), (1621, 12886432), (3242, 6443216), (6484, 3221608), (12968, 1610804), (21073, 991264), (25936, 805402), (30977, 674336), (42146, 495632), (51872, 402701), (61954, 337168), (84292, 247816), (123908, 168584)]