20512395954

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{1559}}^1\times {\mathrm{2381}}^1$

素因数の和:4255

約数の個数: 48

約数和(自身を含む): 44635631040

約数和(自身を除く): 24123235086

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1559, 1842, 2381, 2763, 3118, 4677, 4762, 5526, 7143, 9354, 14031, 14286, 21429, 28062, 42858, 478613, 730967, 957226, 1435839, 1461934, 2192901, 2871678, 3711979, 4307517, 4385802, 6578703, 7423958, 8615034, 11135937, 13157406, 22271874, 33407811, 66815622, 1139577553, 2279155106, 3418732659, 6837465318, 10256197977, 20512395954]

約数ペア:

[(1, 20512395954), (2, 10256197977), (3, 6837465318), (6, 3418732659), (9, 2279155106), (18, 1139577553), (307, 66815622), (614, 33407811), (921, 22271874), (1559, 13157406), (1842, 11135937), (2381, 8615034), (2763, 7423958), (3118, 6578703), (4677, 4385802), (4762, 4307517), (5526, 3711979), (7143, 2871678), (9354, 2192901), (14031, 1461934), (14286, 1435839), (21429, 957226), (28062, 730967), (42858, 478613)]