20621826

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2857}}^1$

素因数の和:3266

約数の個数: 24

約数和(自身を含む): 44807724

約数和(自身を除く): 24185898

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2857, 3609, 5714, 7218, 8571, 17142, 25713, 51426, 1145657, 2291314, 3436971, 6873942, 10310913, 20621826]

約数ペア:

[(1, 20621826), (2, 10310913), (3, 6873942), (6, 3436971), (9, 2291314), (18, 1145657), (401, 51426), (802, 25713), (1203, 17142), (2406, 8571), (2857, 7218), (3609, 5714)]