20296840

素因数分解:

$2^3\times 5^1\times {\mathrm{507421}}^1$

素因数の和:507432

約数の個数: 16

約数和(自身を含む): 45667980

約数和(自身を除く): 25371140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 507421, 1014842, 2029684, 2537105, 4059368, 5074210, 10148420, 20296840]

約数ペア:

[(1, 20296840), (2, 10148420), (4, 5074210), (5, 4059368), (8, 2537105), (10, 2029684), (20, 1014842), (40, 507421)]