20268164

素因数分解:

$2^2\times 7^2\times {\mathrm{103409}}^1$

素因数の和:103427

約数の個数: 18

約数和(自身を含む): 41260590

約数和(自身を除く): 20992426

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103409, 206818, 413636, 723863, 1447726, 2895452, 5067041, 10134082, 20268164]

約数ペア:

[(1, 20268164), (2, 10134082), (4, 5067041), (7, 2895452), (14, 1447726), (28, 723863), (49, 413636), (98, 206818), (196, 103409)]