20076640

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{701}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 47764080

約数和(自身を除く): 27687440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 701, 716, 895, 1402, 1432, 1790, 2804, 2864, 3505, 3580, 5608, 5728, 7010, 7160, 11216, 14020, 14320, 22432, 28040, 28640, 56080, 112160, 125479, 250958, 501916, 627395, 1003832, 1254790, 2007664, 2509580, 4015328, 5019160, 10038320, 20076640]

約数ペア:

[(1, 20076640), (2, 10038320), (4, 5019160), (5, 4015328), (8, 2509580), (10, 2007664), (16, 1254790), (20, 1003832), (32, 627395), (40, 501916), (80, 250958), (160, 125479), (179, 112160), (358, 56080), (701, 28640), (716, 28040), (895, 22432), (1402, 14320), (1432, 14020), (1790, 11216), (2804, 7160), (2864, 7010), (3505, 5728), (3580, 5608)]