16520660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63541}}^1$

素因数の和:63563

約数の個数: 24

約数和(自身を含む): 37362696

約数和(自身を除く): 20842036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63541, 127082, 254164, 317705, 635410, 826033, 1270820, 1652066, 3304132, 4130165, 8260330, 16520660]

約数ペア:

[(1, 16520660), (2, 8260330), (4, 4130165), (5, 3304132), (10, 1652066), (13, 1270820), (20, 826033), (26, 635410), (52, 317705), (65, 254164), (130, 127082), (260, 63541)]