20744857588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{150373}}^1$

素因数の和:150776

約数の個数: 48

約数和(自身を含む): 44799422080

約数和(自身を除く): 24054564492

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 379, 758, 1516, 2653, 4927, 5306, 9854, 10612, 19708, 34489, 68978, 137956, 150373, 300746, 601492, 1052611, 1954849, 2105222, 3909698, 4210444, 7819396, 13683943, 27367886, 54735772, 56991367, 113982734, 227965468, 398939569, 740887771, 797879138, 1481775542, 1595758276, 2963551084, 5186214397, 10372428794, 20744857588]

約数ペア:

[(1, 20744857588), (2, 10372428794), (4, 5186214397), (7, 2963551084), (13, 1595758276), (14, 1481775542), (26, 797879138), (28, 740887771), (52, 398939569), (91, 227965468), (182, 113982734), (364, 56991367), (379, 54735772), (758, 27367886), (1516, 13683943), (2653, 7819396), (4927, 4210444), (5306, 3909698), (9854, 2105222), (10612, 1954849), (19708, 1052611), (34489, 601492), (68978, 300746), (137956, 150373)]