20943752

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 19685848

約数列:

[1, 2, 4, 8, 43, 86, 107, 172, 214, 344, 428, 569, 856, 1138, 2276, 4552, 4601, 9202, 18404, 24467, 36808, 48934, 60883, 97868, 121766, 195736, 243532, 487064, 2617969, 5235938, 10471876, 20943752]

約数ペア:

[(1, 20943752), (2, 10471876), (4, 5235938), (8, 2617969), (43, 487064), (86, 243532), (107, 195736), (172, 121766), (214, 97868), (344, 60883), (428, 48934), (569, 36808), (856, 24467), (1138, 18404), (2276, 9202), (4552, 4601)]