31221584

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{20117}}^1$

素因数の和:20222

約数の個数: 20

約数和(自身を含む): 61118484

約数和(自身を除く): 29896900

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 20117, 40234, 80468, 160936, 321872, 1951349, 3902698, 7805396, 15610792, 31221584]

約数ペア:

[(1, 31221584), (2, 15610792), (4, 7805396), (8, 3902698), (16, 1951349), (97, 321872), (194, 160936), (388, 80468), (776, 40234), (1552, 20117)]