20118491

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 1944613

約数列:

[1, 23, 37, 47, 503, 851, 1081, 1739, 11569, 18611, 23641, 39997, 428053, 543743, 874717, 20118491]

約数ペア:

[(1, 20118491), (23, 874717), (37, 543743), (47, 428053), (503, 39997), (851, 23641), (1081, 18611), (1739, 11569)]