20211525040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{9343}}^1\times {\mathrm{3863}}^1$

素因数の和:13226

約数の個数: 80

約数和(自身を含む): 53724561408

約数和(自身を除く): 33513036368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3863, 7726, 9343, 15452, 18686, 19315, 27041, 30904, 37372, 38630, 46715, 54082, 61808, 65401, 74744, 77260, 93430, 108164, 130802, 135205, 149488, 154520, 186860, 216328, 261604, 270410, 309040, 327005, 373720, 432656, 523208, 540820, 654010, 747440, 1046416, 1081640, 1308020, 2163280, 2616040, 5232080, 36092009, 72184018, 144368036, 180460045, 252644063, 288736072, 360920090, 505288126, 577472144, 721840180, 1010576252, 1263220315, 1443680360, 2021152504, 2526440630, 2887360720, 4042305008, 5052881260, 10105762520, 20211525040]

約数ペア:

[(1, 20211525040), (2, 10105762520), (4, 5052881260), (5, 4042305008), (7, 2887360720), (8, 2526440630), (10, 2021152504), (14, 1443680360), (16, 1263220315), (20, 1010576252), (28, 721840180), (35, 577472144), (40, 505288126), (56, 360920090), (70, 288736072), (80, 252644063), (112, 180460045), (140, 144368036), (280, 72184018), (560, 36092009), (3863, 5232080), (7726, 2616040), (9343, 2163280), (15452, 1308020), (18686, 1081640), (19315, 1046416), (27041, 747440), (30904, 654010), (37372, 540820), (38630, 523208), (46715, 432656), (54082, 373720), (61808, 327005), (65401, 309040), (74744, 270410), (77260, 261604), (93430, 216328), (108164, 186860), (130802, 154520), (135205, 149488)]