20513031456

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3009541}}^1$

素因数の和:3009625

約数の個数: 48

約数和(自身を含む): 54605130048

約数和(自身を除く): 34092098592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3408, 6816, 3009541, 6019082, 9028623, 12038164, 18057246, 24076328, 36114492, 48152656, 72228984, 96305312, 144457968, 213677411, 288915936, 427354822, 641032233, 854709644, 1282064466, 1709419288, 2564128932, 3418838576, 5128257864, 6837677152, 10256515728, 20513031456]

約数ペア:

[(1, 20513031456), (2, 10256515728), (3, 6837677152), (4, 5128257864), (6, 3418838576), (8, 2564128932), (12, 1709419288), (16, 1282064466), (24, 854709644), (32, 641032233), (48, 427354822), (71, 288915936), (96, 213677411), (142, 144457968), (213, 96305312), (284, 72228984), (426, 48152656), (568, 36114492), (852, 24076328), (1136, 18057246), (1704, 12038164), (2272, 9028623), (3408, 6019082), (6816, 3009541)]