20212897527

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 29743459200

約数和(自身を除く): 9530561673

約数列:

[1, 3, 9, 181, 193, 239, 269, 543, 579, 717, 807, 1629, 1737, 2151, 2421, 34933, 43259, 46127, 48689, 51917, 64291, 104799, 129777, 138381, 146067, 155751, 192873, 314397, 389331, 415143, 438201, 467253, 578619, 8348987, 9396977, 11636671, 12408163, 25046961, 28190931, 34910013, 37224489, 75140883, 84572793, 104730039, 111673467, 2245877503, 6737632509, 20212897527]

約数ペア:

[(1, 20212897527), (3, 6737632509), (9, 2245877503), (181, 111673467), (193, 104730039), (239, 84572793), (269, 75140883), (543, 37224489), (579, 34910013), (717, 28190931), (807, 25046961), (1629, 12408163), (1737, 11636671), (2151, 9396977), (2421, 8348987), (34933, 578619), (43259, 467253), (46127, 438201), (48689, 415143), (51917, 389331), (64291, 314397), (104799, 192873), (129777, 155751), (138381, 146067)]