20217998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13829}}^1$

素因数の和:13891

約数の個数: 16

約数和(自身を含む): 32860080

約数和(自身を除く): 12642082

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13829, 27658, 235093, 470186, 594647, 1189294, 10108999, 20217998]

約数ペア:

[(1, 20217998), (2, 10108999), (17, 1189294), (34, 594647), (43, 470186), (86, 235093), (731, 27658), (1462, 13829)]