20984235

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13610325

約数列:

[1, 3, 5, 15, 59, 131, 177, 181, 295, 393, 543, 655, 885, 905, 1965, 2715, 7729, 10679, 23187, 23711, 32037, 38645, 53395, 71133, 115935, 118555, 160185, 355665, 1398949, 4196847, 6994745, 20984235]

約数ペア:

[(1, 20984235), (3, 6994745), (5, 4196847), (15, 1398949), (59, 355665), (131, 160185), (177, 118555), (181, 115935), (295, 71133), (393, 53395), (543, 38645), (655, 32037), (885, 23711), (905, 23187), (1965, 10679), (2715, 7729)]