20797634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72719}}^1$

素因数の和:72745

約数の個数: 16

約数和(自身を含む): 36650880

約数和(自身を除く): 15853246

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72719, 145438, 799909, 945347, 1599818, 1890694, 10398817, 20797634]

約数ペア:

[(1, 20797634), (2, 10398817), (11, 1890694), (13, 1599818), (22, 945347), (26, 799909), (143, 145438), (286, 72719)]