20478496

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5039}}^1$

素因数の和:5176

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 20164064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5039, 10078, 20156, 40312, 80624, 161248, 639953, 1279906, 2559812, 5119624, 10239248, 20478496]

約数ペア:

[(1, 20478496), (2, 10239248), (4, 5119624), (8, 2559812), (16, 1279906), (32, 639953), (127, 161248), (254, 80624), (508, 40312), (1016, 20156), (2032, 10078), (4064, 5039)]