20789064

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1669}}^1$

素因数の和:1854

約数の個数: 48

約数和(自身を含む): 56663100

約数和(自身を除く): 35874036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1669, 2076, 3114, 3338, 4152, 5007, 6228, 6676, 10014, 12456, 13352, 15021, 20028, 30042, 40056, 60084, 120168, 288737, 577474, 866211, 1154948, 1732422, 2309896, 2598633, 3464844, 5197266, 6929688, 10394532, 20789064]

約数ペア:

[(1, 20789064), (2, 10394532), (3, 6929688), (4, 5197266), (6, 3464844), (8, 2598633), (9, 2309896), (12, 1732422), (18, 1154948), (24, 866211), (36, 577474), (72, 288737), (173, 120168), (346, 60084), (519, 40056), (692, 30042), (1038, 20028), (1384, 15021), (1557, 13352), (1669, 12456), (2076, 10014), (3114, 6676), (3338, 6228), (4152, 5007)]