20197969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 23348160

約数和(自身を除く): 3150191

約数列:

[1, 11, 19, 209, 241, 401, 2651, 4411, 4579, 7619, 50369, 83809, 96641, 1063051, 1836179, 20197969]

約数ペア:

[(1, 20197969), (11, 1836179), (19, 1063051), (209, 96641), (241, 83809), (401, 50369), (2651, 7619), (4411, 4579)]