20451368

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2111}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 23647192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2111, 2422, 4222, 4844, 8444, 9688, 14777, 16888, 29554, 59108, 118216, 365203, 730406, 1460812, 2556421, 2921624, 5112842, 10225684, 20451368]

約数ペア:

[(1, 20451368), (2, 10225684), (4, 5112842), (7, 2921624), (8, 2556421), (14, 1460812), (28, 730406), (56, 365203), (173, 118216), (346, 59108), (692, 29554), (1211, 16888), (1384, 14777), (2111, 9688), (2422, 8444), (4222, 4844)]