20558120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46723}}^1$

素因数の和:46745

約数の個数: 32

約数和(自身を含む): 50461920

約数和(自身を除く): 29903800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46723, 93446, 186892, 233615, 373784, 467230, 513953, 934460, 1027906, 1868920, 2055812, 2569765, 4111624, 5139530, 10279060, 20558120]

約数ペア:

[(1, 20558120), (2, 10279060), (4, 5139530), (5, 4111624), (8, 2569765), (10, 2055812), (11, 1868920), (20, 1027906), (22, 934460), (40, 513953), (44, 467230), (55, 373784), (88, 233615), (110, 186892), (220, 93446), (440, 46723)]