20857752

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6737}}^1$

素因数の和:6792

約数の個数: 48

約数和(自身を含む): 57812040

約数和(自身を除く): 36954288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6737, 13474, 20211, 26948, 40422, 53896, 60633, 80844, 121266, 161688, 242532, 289691, 485064, 579382, 869073, 1158764, 1738146, 2317528, 2607219, 3476292, 5214438, 6952584, 10428876, 20857752]

約数ペア:

[(1, 20857752), (2, 10428876), (3, 6952584), (4, 5214438), (6, 3476292), (8, 2607219), (9, 2317528), (12, 1738146), (18, 1158764), (24, 869073), (36, 579382), (43, 485064), (72, 289691), (86, 242532), (129, 161688), (172, 121266), (258, 80844), (344, 60633), (387, 53896), (516, 40422), (774, 26948), (1032, 20211), (1548, 13474), (3096, 6737)]