20210724

素因数分解:

$2^2\times 3^2\times {\mathrm{561409}}^1$

素因数の和:561419

約数の個数: 18

約数和(自身を含む): 51088310

約数和(自身を除く): 30877586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561409, 1122818, 1684227, 2245636, 3368454, 5052681, 6736908, 10105362, 20210724]

約数ペア:

[(1, 20210724), (2, 10105362), (3, 6736908), (4, 5052681), (6, 3368454), (9, 2245636), (12, 1684227), (18, 1122818), (36, 561409)]