20135420

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2203}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 42396144

約数和(自身を除く): 22260724

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2203, 2285, 4406, 4570, 8812, 9140, 11015, 22030, 44060, 1006771, 2013542, 4027084, 5033855, 10067710, 20135420]

約数ペア:

[(1, 20135420), (2, 10067710), (4, 5033855), (5, 4027084), (10, 2013542), (20, 1006771), (457, 44060), (914, 22030), (1828, 11015), (2203, 9140), (2285, 8812), (4406, 4570)]