20899942

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24473}}^1$

素因数の和:24543

約数の個数: 16

約数和(自身を含む): 36417312

約数和(自身を除く): 15517370

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24473, 48946, 171311, 342622, 1492853, 2985706, 10449971, 20899942]

約数ペア:

[(1, 20899942), (2, 10449971), (7, 2985706), (14, 1492853), (61, 342622), (122, 171311), (427, 48946), (854, 24473)]