20047288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 38910960

約数和(自身を除く): 18863672

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 202, 344, 404, 577, 808, 1154, 2308, 4343, 4616, 8686, 17372, 24811, 34744, 49622, 58277, 99244, 116554, 198488, 233108, 466216, 2505911, 5011822, 10023644, 20047288]

約数ペア:

[(1, 20047288), (2, 10023644), (4, 5011822), (8, 2505911), (43, 466216), (86, 233108), (101, 198488), (172, 116554), (202, 99244), (344, 58277), (404, 49622), (577, 34744), (808, 24811), (1154, 17372), (2308, 8686), (4343, 4616)]