20949371810

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25240207}}^1$

素因数の和:25240297

約数の個数: 16

約数和(自身を含む): 38163194496

約数和(自身を除く): 17213822686

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25240207, 50480414, 126201035, 252402070, 2094937181, 4189874362, 10474685905, 20949371810]

約数ペア:

[(1, 20949371810), (2, 10474685905), (5, 4189874362), (10, 2094937181), (83, 252402070), (166, 126201035), (415, 50480414), (830, 25240207)]