20866119

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 28433664

約数和(自身を除く): 7567545

約数列:

[1, 3, 71, 163, 213, 489, 601, 1803, 11573, 34719, 42671, 97963, 128013, 293889, 6955373, 20866119]

約数ペア:

[(1, 20866119), (3, 6955373), (71, 293889), (163, 128013), (213, 97963), (489, 42671), (601, 34719), (1803, 11573)]