20952304

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9421}}^1$

素因数の和:9568

約数の個数: 20

約数和(自身を含む): 40891480

約数和(自身を除く): 19939176

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9421, 18842, 37684, 75368, 150736, 1309519, 2619038, 5238076, 10476152, 20952304]

約数ペア:

[(1, 20952304), (2, 10476152), (4, 5238076), (8, 2619038), (16, 1309519), (139, 150736), (278, 75368), (556, 37684), (1112, 18842), (2224, 9421)]