20531764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 19687436

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 121, 236, 242, 484, 649, 719, 1298, 1438, 2596, 2876, 7139, 7909, 14278, 15818, 28556, 31636, 42421, 84842, 86999, 169684, 173998, 347996, 466631, 933262, 1866524, 5132941, 10265882, 20531764]

約数ペア:

[(1, 20531764), (2, 10265882), (4, 5132941), (11, 1866524), (22, 933262), (44, 466631), (59, 347996), (118, 173998), (121, 169684), (236, 86999), (242, 84842), (484, 42421), (649, 31636), (719, 28556), (1298, 15818), (1438, 14278), (2596, 7909), (2876, 7139)]