20495642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31727}}^1$

素因数の和:31765

約数の個数: 16

約数和(自身を含む): 34266240

約数和(自身を除く): 13770598

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31727, 63454, 539359, 602813, 1078718, 1205626, 10247821, 20495642]

約数ペア:

[(1, 20495642), (2, 10247821), (17, 1205626), (19, 1078718), (34, 602813), (38, 539359), (323, 63454), (646, 31727)]