20637204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245681}}^1$

素因数の和:245695

約数の個数: 24

約数和(自身を含む): 55032768

約数和(自身を除く): 34395564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245681, 491362, 737043, 982724, 1474086, 1719767, 2948172, 3439534, 5159301, 6879068, 10318602, 20637204]

約数ペア:

[(1, 20637204), (2, 10318602), (3, 6879068), (4, 5159301), (6, 3439534), (7, 2948172), (12, 1719767), (14, 1474086), (21, 982724), (28, 737043), (42, 491362), (84, 245681)]