20512704016

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10773479}}^1$

素因数の和:10773511

約数の個数: 40

約数和(自身を含む): 48092814720

約数和(自身を除く): 27580110704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10773479, 21546958, 43093916, 75414353, 86187832, 150828706, 172375664, 183149143, 301657412, 366298286, 603314824, 732596572, 1206629648, 1282044001, 1465193144, 2564088002, 2930386288, 5128176004, 10256352008, 20512704016]

約数ペア:

[(1, 20512704016), (2, 10256352008), (4, 5128176004), (7, 2930386288), (8, 2564088002), (14, 1465193144), (16, 1282044001), (17, 1206629648), (28, 732596572), (34, 603314824), (56, 366298286), (68, 301657412), (112, 183149143), (119, 172375664), (136, 150828706), (238, 86187832), (272, 75414353), (476, 43093916), (952, 21546958), (1904, 10773479)]