20421608

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 40944960

約数和(自身を除く): 20523352

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2707, 3772, 5414, 7544, 10828, 21656, 62261, 110987, 124522, 221974, 249044, 443948, 498088, 887896, 2552701, 5105402, 10210804, 20421608]

約数ペア:

[(1, 20421608), (2, 10210804), (4, 5105402), (8, 2552701), (23, 887896), (41, 498088), (46, 443948), (82, 249044), (92, 221974), (164, 124522), (184, 110987), (328, 62261), (943, 21656), (1886, 10828), (2707, 7544), (3772, 5414)]