20592160

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 28396640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 719, 895, 1432, 1438, 1790, 2864, 2876, 3580, 3595, 5728, 5752, 7160, 7190, 11504, 14320, 14380, 23008, 28640, 28760, 57520, 115040, 128701, 257402, 514804, 643505, 1029608, 1287010, 2059216, 2574020, 4118432, 5148040, 10296080, 20592160]

約数ペア:

[(1, 20592160), (2, 10296080), (4, 5148040), (5, 4118432), (8, 2574020), (10, 2059216), (16, 1287010), (20, 1029608), (32, 643505), (40, 514804), (80, 257402), (160, 128701), (179, 115040), (358, 57520), (716, 28760), (719, 28640), (895, 23008), (1432, 14380), (1438, 14320), (1790, 11504), (2864, 7190), (2876, 7160), (3580, 5752), (3595, 5728)]