20077772099

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{1997}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 26632924416

約数和(自身を除く): 6555152317

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 811, 1127, 1771, 1997, 5677, 8921, 12397, 13979, 18653, 21967, 39739, 45931, 62447, 97853, 130571, 153769, 205183, 321517, 437129, 505241, 913997, 1076383, 1436281, 1619567, 2250619, 3536687, 10053967, 11336969, 17815237, 24756809, 37250041, 79358783, 124706659, 260750287, 409750451, 872946613, 1825252009, 2868253157, 20077772099]

約数ペア:

[(1, 20077772099), (7, 2868253157), (11, 1825252009), (23, 872946613), (49, 409750451), (77, 260750287), (161, 124706659), (253, 79358783), (539, 37250041), (811, 24756809), (1127, 17815237), (1771, 11336969), (1997, 10053967), (5677, 3536687), (8921, 2250619), (12397, 1619567), (13979, 1436281), (18653, 1076383), (21967, 913997), (39739, 505241), (45931, 437129), (62447, 321517), (97853, 205183), (130571, 153769)]