20173420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5281}}^1$

素因数の和:5481

約数の個数: 24

約数和(自身を含む): 42594048

約数和(自身を除く): 22420628

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5281, 10562, 21124, 26405, 52810, 105620, 1008671, 2017342, 4034684, 5043355, 10086710, 20173420]

約数ペア:

[(1, 20173420), (2, 10086710), (4, 5043355), (5, 4034684), (10, 2017342), (20, 1008671), (191, 105620), (382, 52810), (764, 26405), (955, 21124), (1910, 10562), (3820, 5281)]