20315656

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 19186424

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 761, 1522, 3044, 3337, 6088, 6674, 13348, 26696, 35767, 54031, 71534, 108062, 143068, 216124, 286136, 432248, 2539457, 5078914, 10157828, 20315656]

約数ペア:

[(1, 20315656), (2, 10157828), (4, 5078914), (8, 2539457), (47, 432248), (71, 286136), (94, 216124), (142, 143068), (188, 108062), (284, 71534), (376, 54031), (568, 35767), (761, 26696), (1522, 13348), (3044, 6674), (3337, 6088)]