15827660

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1291}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 33318096

約数和(自身を除く): 17490436

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1291, 2452, 2582, 3065, 5164, 6130, 6455, 12260, 12910, 25820, 791383, 1582766, 3165532, 3956915, 7913830, 15827660]

約数ペア:

[(1, 15827660), (2, 7913830), (4, 3956915), (5, 3165532), (10, 1582766), (20, 791383), (613, 25820), (1226, 12910), (1291, 12260), (2452, 6455), (2582, 6130), (3065, 5164)]