20236420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14251}}^1$

素因数の和:14331

約数の個数: 24

約数和(自身を含む): 43098048

約数和(自身を除く): 22861628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14251, 28502, 57004, 71255, 142510, 285020, 1011821, 2023642, 4047284, 5059105, 10118210, 20236420]

約数ペア:

[(1, 20236420), (2, 10118210), (4, 5059105), (5, 4047284), (10, 2023642), (20, 1011821), (71, 285020), (142, 142510), (284, 71255), (355, 57004), (710, 28502), (1420, 14251)]