20981032

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5689}}^1$

素因数の和:6156

約数の個数: 16

約数和(自身を含む): 39431700

約数和(自身を除く): 18450668

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5689, 11378, 22756, 45512, 2622629, 5245258, 10490516, 20981032]

約数ペア:

[(1, 20981032), (2, 10490516), (4, 5245258), (8, 2622629), (461, 45512), (922, 22756), (1844, 11378), (3688, 5689)]