20487786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5857}}^1$

素因数の和:5926

約数の個数: 32

約数和(自身を含む): 45551808

約数和(自身を除く): 25064022

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 159, 318, 583, 1166, 1749, 3498, 5857, 11714, 17571, 35142, 64427, 128854, 193281, 310421, 386562, 620842, 931263, 1862526, 3414631, 6829262, 10243893, 20487786]

約数ペア:

[(1, 20487786), (2, 10243893), (3, 6829262), (6, 3414631), (11, 1862526), (22, 931263), (33, 620842), (53, 386562), (66, 310421), (106, 193281), (159, 128854), (318, 64427), (583, 35142), (1166, 17571), (1749, 11714), (3498, 5857)]