2018420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 4339104

約数和(自身を除く): 2320684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2347, 4694, 9388, 11735, 23470, 46940, 100921, 201842, 403684, 504605, 1009210, 2018420]

約数ペア:

[(1, 2018420), (2, 1009210), (4, 504605), (5, 403684), (10, 201842), (20, 100921), (43, 46940), (86, 23470), (172, 11735), (215, 9388), (430, 4694), (860, 2347)]