15690218420

素因数分解:

$2^2\times 5^1\times {\mathrm{4831}}^1\times {\mathrm{162391}}^1$

素因数の和:167231

約数の個数: 24

約数和(自身を含む): 32956482048

約数和(自身を除く): 17266263628

約数列:

[1, 2, 4, 5, 10, 20, 4831, 9662, 19324, 24155, 48310, 96620, 162391, 324782, 649564, 811955, 1623910, 3247820, 784510921, 1569021842, 3138043684, 3922554605, 7845109210, 15690218420]

約数ペア:

[(1, 15690218420), (2, 7845109210), (4, 3922554605), (5, 3138043684), (10, 1569021842), (20, 784510921), (4831, 3247820), (9662, 1623910), (19324, 811955), (24155, 649564), (48310, 324782), (96620, 162391)]