20881882

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87739}}^1$

素因数の和:87765

約数の個数: 16

約数和(自身を含む): 37903680

約数和(自身を除く): 17021798

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87739, 175478, 614173, 1228346, 1491563, 2983126, 10440941, 20881882]

約数ペア:

[(1, 20881882), (2, 10440941), (7, 2983126), (14, 1491563), (17, 1228346), (34, 614173), (119, 175478), (238, 87739)]