20521402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22751}}^1$

素因数の和:22805

約数の個数: 16

約数和(自身を含む): 34401024

約数和(自身を除く): 13879622

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22751, 45502, 250261, 500522, 932791, 1865582, 10260701, 20521402]

約数ペア:

[(1, 20521402), (2, 10260701), (11, 1865582), (22, 932791), (41, 500522), (82, 250261), (451, 45502), (902, 22751)]