20685025838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1\times {\mathrm{7013}}^1$

素因数の和:7580

約数の個数: 32

約数和(自身を含む): 32393233152

約数和(自身を除く): 11708207314

約数列:

[1, 2, 31, 62, 113, 226, 421, 842, 3503, 7006, 7013, 13051, 14026, 26102, 47573, 95146, 217403, 434806, 792469, 1474763, 1584938, 2949526, 2952473, 5904946, 24566539, 49133078, 91526663, 183053326, 333629449, 667258898, 10342512919, 20685025838]

約数ペア:

[(1, 20685025838), (2, 10342512919), (31, 667258898), (62, 333629449), (113, 183053326), (226, 91526663), (421, 49133078), (842, 24566539), (3503, 5904946), (7006, 2952473), (7013, 2949526), (13051, 1584938), (14026, 1474763), (26102, 792469), (47573, 434806), (95146, 217403)]