20583928

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 40273200

約数和(自身を除く): 19689272

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1129, 2258, 2279, 4516, 4558, 9032, 9116, 18232, 48547, 59837, 97094, 119674, 194188, 239348, 388376, 478696, 2572991, 5145982, 10291964, 20583928]

約数ペア:

[(1, 20583928), (2, 10291964), (4, 5145982), (8, 2572991), (43, 478696), (53, 388376), (86, 239348), (106, 194188), (172, 119674), (212, 97094), (344, 59837), (424, 48547), (1129, 18232), (2258, 9116), (2279, 9032), (4516, 4558)]