20581670

素因数分解:

$2^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1823}}^1$

素因数の和:2959

約数の個数: 16

約数和(自身を含む): 37100160

約数和(自身を除く): 16518490

約数列:

[1, 2, 5, 10, 1129, 1823, 2258, 3646, 5645, 9115, 11290, 18230, 2058167, 4116334, 10290835, 20581670]

約数ペア:

[(1, 20581670), (2, 10290835), (5, 4116334), (10, 2058167), (1129, 18230), (1823, 11290), (2258, 9115), (3646, 5645)]