20532770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{449}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 39366000

約数和(自身を除く): 18833230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 449, 538, 898, 1345, 2245, 2690, 4490, 4573, 7633, 9146, 15266, 22865, 38165, 45730, 76330, 120781, 241562, 603905, 1207810, 2053277, 4106554, 10266385, 20532770]

約数ペア:

[(1, 20532770), (2, 10266385), (5, 4106554), (10, 2053277), (17, 1207810), (34, 603905), (85, 241562), (170, 120781), (269, 76330), (449, 45730), (538, 38165), (898, 22865), (1345, 15266), (2245, 9146), (2690, 7633), (4490, 4573)]