20791347

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{677}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 28801440

約数和(自身を除く): 8010093

約数列:

[1, 3, 29, 87, 353, 677, 1059, 2031, 10237, 19633, 30711, 58899, 238981, 716943, 6930449, 20791347]

約数ペア:

[(1, 20791347), (3, 6930449), (29, 716943), (87, 238981), (353, 58899), (677, 30711), (1059, 19633), (2031, 10237)]