20055856

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1283}}^1$

素因数の和:2268

約数の個数: 20

約数和(自身を含む): 38928312

約数和(自身を除く): 18872456

約数列:

[1, 2, 4, 8, 16, 977, 1283, 1954, 2566, 3908, 5132, 7816, 10264, 15632, 20528, 1253491, 2506982, 5013964, 10027928, 20055856]

約数ペア:

[(1, 20055856), (2, 10027928), (4, 5013964), (8, 2506982), (16, 1253491), (977, 20528), (1283, 15632), (1954, 10264), (2566, 7816), (3908, 5132)]