797205020

素因数分解:

$2^2\times 5^1\times {\mathrm{4231}}^1\times {\mathrm{9421}}^1$

素因数の和:13661

約数の個数: 24

約数和(自身を含む): 1674703968

約数和(自身を除く): 877498948

約数列:

[1, 2, 4, 5, 10, 20, 4231, 8462, 9421, 16924, 18842, 21155, 37684, 42310, 47105, 84620, 94210, 188420, 39860251, 79720502, 159441004, 199301255, 398602510, 797205020]

約数ペア:

[(1, 797205020), (2, 398602510), (4, 199301255), (5, 159441004), (10, 79720502), (20, 39860251), (4231, 188420), (8462, 94210), (9421, 84620), (16924, 47105), (18842, 42310), (21155, 37684)]