20840596

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8363}}^1$

素因数の和:8463

約数の個数: 24

約数和(自身を含む): 42154560

約数和(自身を除く): 21313964

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8363, 16726, 33452, 58541, 117082, 234164, 744307, 1488614, 2977228, 5210149, 10420298, 20840596]

約数ペア:

[(1, 20840596), (2, 10420298), (4, 5210149), (7, 2977228), (14, 1488614), (28, 744307), (89, 234164), (178, 117082), (356, 58541), (623, 33452), (1246, 16726), (2492, 8363)]