20581726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2333}}^1$

素因数の和:2747

約数の個数: 16

約数和(自身を含む): 33777648

約数和(自身を除く): 13195922

約数列:

[1, 2, 11, 22, 401, 802, 2333, 4411, 4666, 8822, 25663, 51326, 935533, 1871066, 10290863, 20581726]

約数ペア:

[(1, 20581726), (2, 10290863), (11, 1871066), (22, 935533), (401, 51326), (802, 25663), (2333, 8822), (4411, 4666)]