20184870560

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{704779}}^1$

素因数の和:704973

約数の個数: 48

約数和(自身を含む): 47953231200

約数和(自身を除く): 27768360640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5728, 7160, 14320, 28640, 704779, 1409558, 2819116, 3523895, 5638232, 7047790, 11276464, 14095580, 22552928, 28191160, 56382320, 112764640, 126155441, 252310882, 504621764, 630777205, 1009243528, 1261554410, 2018487056, 2523108820, 4036974112, 5046217640, 10092435280, 20184870560]

約数ペア:

[(1, 20184870560), (2, 10092435280), (4, 5046217640), (5, 4036974112), (8, 2523108820), (10, 2018487056), (16, 1261554410), (20, 1009243528), (32, 630777205), (40, 504621764), (80, 252310882), (160, 126155441), (179, 112764640), (358, 56382320), (716, 28191160), (895, 22552928), (1432, 14095580), (1790, 11276464), (2864, 7047790), (3580, 5638232), (5728, 3523895), (7160, 2819116), (14320, 1409558), (28640, 704779)]