20786315620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148473683}}^1$

素因数の和:148473699

約数の個数: 24

約数和(自身を含む): 49887157824

約数和(自身を除く): 29100842204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148473683, 296947366, 593894732, 742368415, 1039315781, 1484736830, 2078631562, 2969473660, 4157263124, 5196578905, 10393157810, 20786315620]

約数ペア:

[(1, 20786315620), (2, 10393157810), (4, 5196578905), (5, 4157263124), (7, 2969473660), (10, 2078631562), (14, 1484736830), (20, 1039315781), (28, 742368415), (35, 593894732), (70, 296947366), (140, 148473683)]