20085428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{953}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 18379852

約数列:

[1, 2, 4, 11, 22, 44, 479, 953, 958, 1906, 1916, 3812, 5269, 10483, 10538, 20966, 21076, 41932, 456487, 912974, 1825948, 5021357, 10042714, 20085428]

約数ペア:

[(1, 20085428), (2, 10042714), (4, 5021357), (11, 1825948), (22, 912974), (44, 456487), (479, 41932), (953, 21076), (958, 20966), (1906, 10538), (1916, 10483), (3812, 5269)]