20235979316

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1\times {\mathrm{5009}}^1$

素因数の和:6096

約数の個数: 48

約数和(自身を含む): 40782201600

約数和(自身を除く): 20546222284

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 919, 1099, 1838, 2198, 3676, 4396, 5009, 6433, 10018, 12866, 20036, 25732, 35063, 70126, 140252, 144283, 288566, 577132, 786413, 1009981, 1572826, 2019962, 3145652, 4039924, 4603271, 5504891, 9206542, 11009782, 18413084, 22019564, 32222897, 64445794, 128891588, 722713547, 1445427094, 2890854188, 5058994829, 10117989658, 20235979316]

約数ペア:

[(1, 20235979316), (2, 10117989658), (4, 5058994829), (7, 2890854188), (14, 1445427094), (28, 722713547), (157, 128891588), (314, 64445794), (628, 32222897), (919, 22019564), (1099, 18413084), (1838, 11009782), (2198, 9206542), (3676, 5504891), (4396, 4603271), (5009, 4039924), (6433, 3145652), (10018, 2019962), (12866, 1572826), (20036, 1009981), (25732, 786413), (35063, 577132), (70126, 288566), (140252, 144283)]