20906056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 41718240

約数和(自身を除く): 20812184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 347, 443, 694, 886, 1388, 1772, 2776, 3544, 5899, 7531, 11798, 15062, 23596, 30124, 47192, 60248, 153721, 307442, 614884, 1229768, 2613257, 5226514, 10453028, 20906056]

約数ペア:

[(1, 20906056), (2, 10453028), (4, 5226514), (8, 2613257), (17, 1229768), (34, 614884), (68, 307442), (136, 153721), (347, 60248), (443, 47192), (694, 30124), (886, 23596), (1388, 15062), (1772, 11798), (2776, 7531), (3544, 5899)]