20553962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71867}}^1$

素因数の和:71893

約数の個数: 16

約数和(自身を含む): 36221472

約数和(自身を除く): 15667510

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71867, 143734, 790537, 934271, 1581074, 1868542, 10276981, 20553962]

約数ペア:

[(1, 20553962), (2, 10276981), (11, 1868542), (13, 1581074), (22, 934271), (26, 790537), (143, 143734), (286, 71867)]