20369179610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1549}}^1$

素因数の和:1864

約数の個数: 96

約数和(自身を含む): 41172364800

約数和(自身を除く): 20803185190

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 251, 310, 338, 403, 502, 806, 845, 1255, 1549, 1690, 2015, 2510, 3098, 3263, 4030, 5239, 6526, 7745, 7781, 10478, 15490, 15562, 16315, 20137, 26195, 32630, 38905, 40274, 42419, 48019, 52390, 77810, 84838, 96038, 100685, 101153, 201370, 202306, 212095, 240095, 261781, 388799, 424190, 480190, 505765, 523562, 624247, 777598, 1011530, 1248494, 1308905, 1314989, 1943995, 2617810, 2629978, 3121235, 3887990, 5054387, 6242470, 6574945, 8115211, 10108774, 12052769, 13149890, 16230422, 24105538, 25271935, 40576055, 50543870, 60263845, 65707031, 81152110, 120527690, 131414062, 156685997, 313371994, 328535155, 657070310, 783429985, 1566859970, 2036917961, 4073835922, 10184589805, 20369179610]

約数ペア:

[(1, 20369179610), (2, 10184589805), (5, 4073835922), (10, 2036917961), (13, 1566859970), (26, 783429985), (31, 657070310), (62, 328535155), (65, 313371994), (130, 156685997), (155, 131414062), (169, 120527690), (251, 81152110), (310, 65707031), (338, 60263845), (403, 50543870), (502, 40576055), (806, 25271935), (845, 24105538), (1255, 16230422), (1549, 13149890), (1690, 12052769), (2015, 10108774), (2510, 8115211), (3098, 6574945), (3263, 6242470), (4030, 5054387), (5239, 3887990), (6526, 3121235), (7745, 2629978), (7781, 2617810), (10478, 1943995), (15490, 1314989), (15562, 1308905), (16315, 1248494), (20137, 1011530), (26195, 777598), (32630, 624247), (38905, 523562), (40274, 505765), (42419, 480190), (48019, 424190), (52390, 388799), (77810, 261781), (84838, 240095), (96038, 212095), (100685, 202306), (101153, 201370)]