20828268

素因数分解:

$2^2\times 3^2\times {\mathrm{578563}}^1$

素因数の和:578573

約数の個数: 18

約数和(自身を含む): 52649324

約数和(自身を除く): 31821056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578563, 1157126, 1735689, 2314252, 3471378, 5207067, 6942756, 10414134, 20828268]

約数ペア:

[(1, 20828268), (2, 10414134), (3, 6942756), (4, 5207067), (6, 3471378), (9, 2314252), (12, 1735689), (18, 1157126), (36, 578563)]