20218282

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2003}}^1$

素因数の和:2122

約数の個数: 24

約数和(自身を含む): 35639136

約数和(自身を除く): 15420854

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2003, 4006, 5047, 10094, 14021, 28042, 98147, 196294, 206309, 412618, 1444163, 2888326, 10109141, 20218282]

約数ペア:

[(1, 20218282), (2, 10109141), (7, 2888326), (14, 1444163), (49, 412618), (98, 206309), (103, 196294), (206, 98147), (721, 28042), (1442, 14021), (2003, 10094), (4006, 5047)]