20861686

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2333}}^1$

素因数の和:2615

約数の個数: 16

約数和(自身を含む): 33273504

約数和(自身を除く): 12411818

約数列:

[1, 2, 17, 34, 263, 526, 2333, 4471, 4666, 8942, 39661, 79322, 613579, 1227158, 10430843, 20861686]

約数ペア:

[(1, 20861686), (2, 10430843), (17, 1227158), (34, 613579), (263, 79322), (526, 39661), (2333, 8942), (4471, 4666)]