20387726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2389}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 32523120

約数和(自身を除く): 12135394

約数列:

[1, 2, 17, 34, 251, 502, 2389, 4267, 4778, 8534, 40613, 81226, 599639, 1199278, 10193863, 20387726]

約数ペア:

[(1, 20387726), (2, 10193863), (17, 1199278), (34, 599639), (251, 81226), (502, 40613), (2389, 8534), (4267, 4778)]