20177188420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23461847}}^1$

素因数の和:23461899

約数の個数: 24

約数和(自身を含む): 43357495104

約数和(自身を除く): 23180306684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23461847, 46923694, 93847388, 117309235, 234618470, 469236940, 1008859421, 2017718842, 4035437684, 5044297105, 10088594210, 20177188420]

約数ペア:

[(1, 20177188420), (2, 10088594210), (4, 5044297105), (5, 4035437684), (10, 2017718842), (20, 1008859421), (43, 469236940), (86, 234618470), (172, 117309235), (215, 93847388), (430, 46923694), (860, 23461847)]