20137089620

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1277}}^1\times {\mathrm{1619}}^1$

素因数の和:3392

約数の個数: 48

約数和(自身を含む): 42434098560

約数和(自身を除く): 22297008940

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1277, 1619, 1948, 2435, 2554, 3238, 4870, 5108, 6385, 6476, 8095, 9740, 12770, 16190, 25540, 32380, 621899, 788453, 1243798, 1576906, 2067463, 2487596, 3109495, 3153812, 3942265, 4134926, 6218990, 7884530, 8269852, 10337315, 12437980, 15769060, 20674630, 41349260, 1006854481, 2013708962, 4027417924, 5034272405, 10068544810, 20137089620]

約数ペア:

[(1, 20137089620), (2, 10068544810), (4, 5034272405), (5, 4027417924), (10, 2013708962), (20, 1006854481), (487, 41349260), (974, 20674630), (1277, 15769060), (1619, 12437980), (1948, 10337315), (2435, 8269852), (2554, 7884530), (3238, 6218990), (4870, 4134926), (5108, 3942265), (6385, 3153812), (6476, 3109495), (8095, 2487596), (9740, 2067463), (12770, 1576906), (16190, 1243798), (25540, 788453), (32380, 621899)]