20307366920

素因数分解:

$2^3\times 5^1\times {\mathrm{507684173}}^1$

素因数の和:507684184

約数の個数: 16

約数和(自身を含む): 45691575660

約数和(自身を除く): 25384208740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 507684173, 1015368346, 2030736692, 2538420865, 4061473384, 5076841730, 10153683460, 20307366920]

約数ペア:

[(1, 20307366920), (2, 10153683460), (4, 5076841730), (5, 4061473384), (8, 2538420865), (10, 2030736692), (20, 1015368346), (40, 507684173)]