20678174

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{85447}}^1$

素因数の和:85471

約数の個数: 12

約数和(自身を含む): 34093752

約数和(自身を除く): 13415578

約数列:

[1, 2, 11, 22, 121, 242, 85447, 170894, 939917, 1879834, 10339087, 20678174]

約数ペア:

[(1, 20678174), (2, 10339087), (11, 1879834), (22, 939917), (121, 170894), (242, 85447)]