20019490047

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1\times {\mathrm{739}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 30143692800

約数和(自身を除く): 10124202753

約数列:

[1, 3, 9, 29, 87, 261, 271, 383, 739, 813, 1149, 2217, 2439, 3447, 6651, 7859, 11107, 21431, 23577, 33321, 64293, 70731, 99963, 103793, 192879, 200269, 283037, 311379, 600807, 849111, 934137, 1802421, 2547333, 3009997, 5807801, 8208073, 9029991, 17423403, 24624219, 27089973, 52270209, 73872657, 76703027, 230109081, 690327243, 2224387783, 6673163349, 20019490047]

約数ペア:

[(1, 20019490047), (3, 6673163349), (9, 2224387783), (29, 690327243), (87, 230109081), (261, 76703027), (271, 73872657), (383, 52270209), (739, 27089973), (813, 24624219), (1149, 17423403), (2217, 9029991), (2439, 8208073), (3447, 5807801), (6651, 3009997), (7859, 2547333), (11107, 1802421), (21431, 934137), (23577, 849111), (33321, 600807), (64293, 311379), (70731, 283037), (99963, 200269), (103793, 192879)]