20346947991

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1\times {\mathrm{1979}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 31095567360

約数和(自身を除く): 10748619369

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 857, 1333, 1979, 2571, 3999, 5937, 7713, 11997, 17811, 26567, 36851, 61349, 79701, 85097, 110553, 184047, 239103, 255291, 331659, 552141, 765873, 1142381, 1696003, 2638007, 3427143, 5088009, 7914021, 10281429, 15264027, 23742063, 52576093, 72928129, 157728279, 218784387, 473184837, 656353161, 2260771999, 6782315997, 20346947991]

約数ペア:

[(1, 20346947991), (3, 6782315997), (9, 2260771999), (31, 656353161), (43, 473184837), (93, 218784387), (129, 157728279), (279, 72928129), (387, 52576093), (857, 23742063), (1333, 15264027), (1979, 10281429), (2571, 7914021), (3999, 5088009), (5937, 3427143), (7713, 2638007), (11997, 1696003), (17811, 1142381), (26567, 765873), (36851, 552141), (61349, 331659), (79701, 255291), (85097, 239103), (110553, 184047)]