20409852

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29264388

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 223, 263, 348, 446, 526, 669, 789, 892, 1052, 1338, 1578, 2676, 3156, 6467, 7627, 12934, 15254, 19401, 22881, 25868, 30508, 38802, 45762, 58649, 77604, 91524, 117298, 175947, 234596, 351894, 703788, 1700821, 3401642, 5102463, 6803284, 10204926, 20409852]

約数ペア:

[(1, 20409852), (2, 10204926), (3, 6803284), (4, 5102463), (6, 3401642), (12, 1700821), (29, 703788), (58, 351894), (87, 234596), (116, 175947), (174, 117298), (223, 91524), (263, 77604), (348, 58649), (446, 45762), (526, 38802), (669, 30508), (789, 25868), (892, 22881), (1052, 19401), (1338, 15254), (1578, 12934), (2676, 7627), (3156, 6467)]