20257856

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5262

約数の個数: 28

約数和(自身を含む): 40866060

約数和(自身を除く): 20608204

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5189, 10378, 20756, 41512, 83024, 166048, 316529, 332096, 633058, 1266116, 2532232, 5064464, 10128928, 20257856]

約数ペア:

[(1, 20257856), (2, 10128928), (4, 5064464), (8, 2532232), (16, 1266116), (32, 633058), (61, 332096), (64, 316529), (122, 166048), (244, 83024), (488, 41512), (976, 20756), (1952, 10378), (3904, 5189)]