20953222880

素因数分解:

$2^5\times 5^1\times {\mathrm{6701}}^1\times {\mathrm{19543}}^1$

素因数の和:26259

約数の個数: 48

約数和(自身を含む): 49511909664

約数和(自身を除く): 28558686784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 6701, 13402, 19543, 26804, 33505, 39086, 53608, 67010, 78172, 97715, 107216, 134020, 156344, 195430, 214432, 268040, 312688, 390860, 536080, 625376, 781720, 1072160, 1563440, 3126880, 130957643, 261915286, 523830572, 654788215, 1047661144, 1309576430, 2095322288, 2619152860, 4190644576, 5238305720, 10476611440, 20953222880]

約数ペア:

[(1, 20953222880), (2, 10476611440), (4, 5238305720), (5, 4190644576), (8, 2619152860), (10, 2095322288), (16, 1309576430), (20, 1047661144), (32, 654788215), (40, 523830572), (80, 261915286), (160, 130957643), (6701, 3126880), (13402, 1563440), (19543, 1072160), (26804, 781720), (33505, 625376), (39086, 536080), (53608, 390860), (67010, 312688), (78172, 268040), (97715, 214432), (107216, 195430), (134020, 156344)]