20665436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2459}}^1$

素因数の和:2665

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 19009444

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2459, 4202, 4918, 8404, 9836, 27049, 54098, 108196, 469669, 939338, 1878676, 5166359, 10332718, 20665436]

約数ペア:

[(1, 20665436), (2, 10332718), (4, 5166359), (11, 1878676), (22, 939338), (44, 469669), (191, 108196), (382, 54098), (764, 27049), (2101, 9836), (2459, 8404), (4202, 4918)]