20235403780

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1\times {\mathrm{4261}}^1$

素因数の和:5284

約数の個数: 48

約数和(自身を含む): 42686009856

約数和(自身を除く): 22450606076

約数列:

[1, 2, 4, 5, 10, 20, 367, 647, 734, 1294, 1468, 1835, 2588, 3235, 3670, 4261, 6470, 7340, 8522, 12940, 17044, 21305, 42610, 85220, 237449, 474898, 949796, 1187245, 1563787, 2374490, 2756867, 3127574, 4748980, 5513734, 6255148, 7818935, 11027468, 13784335, 15637870, 27568670, 31275740, 55137340, 1011770189, 2023540378, 4047080756, 5058850945, 10117701890, 20235403780]

約数ペア:

[(1, 20235403780), (2, 10117701890), (4, 5058850945), (5, 4047080756), (10, 2023540378), (20, 1011770189), (367, 55137340), (647, 31275740), (734, 27568670), (1294, 15637870), (1468, 13784335), (1835, 11027468), (2588, 7818935), (3235, 6255148), (3670, 5513734), (4261, 4748980), (6470, 3127574), (7340, 2756867), (8522, 2374490), (12940, 1563787), (17044, 1187245), (21305, 949796), (42610, 474898), (85220, 237449)]