20390856

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18077}}^1$

素因数の和:18133

約数の個数: 32

約数和(自身を含む): 52064640

約数和(自身を除く): 31673784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18077, 36154, 54231, 72308, 108462, 144616, 216924, 433848, 849619, 1699238, 2548857, 3398476, 5097714, 6796952, 10195428, 20390856]

約数ペア:

[(1, 20390856), (2, 10195428), (3, 6796952), (4, 5097714), (6, 3398476), (8, 2548857), (12, 1699238), (24, 849619), (47, 433848), (94, 216924), (141, 144616), (188, 108462), (282, 72308), (376, 54231), (564, 36154), (1128, 18077)]