20685906

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67601}}^1$

素因数の和:67626

約数の個数: 24

約数和(自身を含む): 47456604

約数和(自身を除く): 26770698

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67601, 135202, 202803, 405606, 608409, 1149217, 1216818, 2298434, 3447651, 6895302, 10342953, 20685906]

約数ペア:

[(1, 20685906), (2, 10342953), (3, 6895302), (6, 3447651), (9, 2298434), (17, 1216818), (18, 1149217), (34, 608409), (51, 405606), (102, 202803), (153, 135202), (306, 67601)]