20129964

素因数分解:

$2^2\times 3^1\times {\mathrm{641}}^1\times {\mathrm{2617}}^1$

素因数の和:3265

約数の個数: 24

約数和(自身を含む): 47061168

約数和(自身を除く): 26931204

約数列:

[1, 2, 3, 4, 6, 12, 641, 1282, 1923, 2564, 2617, 3846, 5234, 7692, 7851, 10468, 15702, 31404, 1677497, 3354994, 5032491, 6709988, 10064982, 20129964]

約数ペア:

[(1, 20129964), (2, 10064982), (3, 6709988), (4, 5032491), (6, 3354994), (12, 1677497), (641, 31404), (1282, 15702), (1923, 10468), (2564, 7851), (2617, 7692), (3846, 5234)]