20899687516

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{7907}}^1$

素因数の和:8250

約数の個数: 48

約数和(自身を含む): 38166412032

約数和(自身を除く): 17266724516

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 227, 284, 454, 908, 2911, 5822, 7907, 9307, 11644, 15814, 16117, 18614, 31628, 32234, 37228, 64468, 324187, 561397, 648374, 660797, 1122794, 1296748, 1321594, 1794889, 2245588, 2643188, 3589778, 7179556, 23017277, 46034554, 73590449, 92069108, 127437119, 147180898, 254874238, 294361796, 509748476, 5224921879, 10449843758, 20899687516]

約数ペア:

[(1, 20899687516), (2, 10449843758), (4, 5224921879), (41, 509748476), (71, 294361796), (82, 254874238), (142, 147180898), (164, 127437119), (227, 92069108), (284, 73590449), (454, 46034554), (908, 23017277), (2911, 7179556), (5822, 3589778), (7907, 2643188), (9307, 2245588), (11644, 1794889), (15814, 1321594), (16117, 1296748), (18614, 1122794), (31628, 660797), (32234, 648374), (37228, 561397), (64468, 324187)]