15821020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7393}}^1$

素因数の和:7509

約数の個数: 24

約数和(自身を含む): 33539184

約数和(自身を除く): 17718164

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 7393, 14786, 29572, 36965, 73930, 147860, 791051, 1582102, 3164204, 3955255, 7910510, 15821020]

約数ペア:

[(1, 15821020), (2, 7910510), (4, 3955255), (5, 3164204), (10, 1582102), (20, 791051), (107, 147860), (214, 73930), (428, 36965), (535, 29572), (1070, 14786), (2140, 7393)]