20191239964

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9128047}}^1$

素因数の和:9128137

約数の個数: 24

約数和(自身を含む): 40893655040

約数和(自身を除く): 20702415076

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9128047, 18256094, 36512188, 63896329, 127792658, 255585316, 721115713, 1442231426, 2884462852, 5047809991, 10095619982, 20191239964]

約数ペア:

[(1, 20191239964), (2, 10095619982), (4, 5047809991), (7, 2884462852), (14, 1442231426), (28, 721115713), (79, 255585316), (158, 127792658), (316, 63896329), (553, 36512188), (1106, 18256094), (2212, 9128047)]