20205398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{859}}^1$

素因数の和:1499

約数の個数: 16

約数和(自身を含む): 31992000

約数和(自身を除く): 11786602

約数列:

[1, 2, 19, 38, 619, 859, 1238, 1718, 11761, 16321, 23522, 32642, 531721, 1063442, 10102699, 20205398]

約数ペア:

[(1, 20205398), (2, 10102699), (19, 1063442), (38, 531721), (619, 32642), (859, 23522), (1238, 16321), (1718, 11761)]