20745050

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1531}}^1$

素因数の和:1814

約数の個数: 24

約数和(自身を含む): 38753472

約数和(自身を除く): 18008422

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1531, 2710, 3062, 6775, 7655, 13550, 15310, 38275, 76550, 414901, 829802, 2074505, 4149010, 10372525, 20745050]

約数ペア:

[(1, 20745050), (2, 10372525), (5, 4149010), (10, 2074505), (25, 829802), (50, 414901), (271, 76550), (542, 38275), (1355, 15310), (1531, 13550), (2710, 7655), (3062, 6775)]