20919632

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2861}}^1$

素因数の和:3326

約数の個数: 20

約数和(自身を含む): 40634676

約数和(自身を除く): 19715044

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2861, 3656, 5722, 7312, 11444, 22888, 45776, 1307477, 2614954, 5229908, 10459816, 20919632]

約数ペア:

[(1, 20919632), (2, 10459816), (4, 5229908), (8, 2614954), (16, 1307477), (457, 45776), (914, 22888), (1828, 11444), (2861, 7312), (3656, 5722)]