20665034

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25639}}^1$

素因数の和:25685

約数の個数: 16

約数和(自身を含む): 34460160

約数和(自身を除く): 13795126

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25639, 51278, 333307, 666614, 794809, 1589618, 10332517, 20665034]

約数ペア:

[(1, 20665034), (2, 10332517), (13, 1589618), (26, 794809), (31, 666614), (62, 333307), (403, 51278), (806, 25639)]