20631754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72139}}^1$

素因数の和:72165

約数の個数: 16

約数和(自身を含む): 36358560

約数和(自身を除く): 15726806

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72139, 144278, 793529, 937807, 1587058, 1875614, 10315877, 20631754]

約数ペア:

[(1, 20631754), (2, 10315877), (11, 1875614), (13, 1587058), (22, 937807), (26, 793529), (143, 144278), (286, 72139)]