20737028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3727}}^1$

素因数の和:3851

約数の個数: 24

約数和(自身を含む): 39457152

約数和(自身を除く): 18720124

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3727, 5564, 7454, 14908, 48451, 96902, 193804, 398789, 797578, 1595156, 5184257, 10368514, 20737028]

約数ペア:

[(1, 20737028), (2, 10368514), (4, 5184257), (13, 1595156), (26, 797578), (52, 398789), (107, 193804), (214, 96902), (428, 48451), (1391, 14908), (2782, 7454), (3727, 5564)]