20128524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6791}}^1$

素因数の和:6830

約数の個数: 48

約数和(自身を含む): 53249280

約数和(自身を除く): 33120756

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6791, 13582, 20373, 27164, 40746, 81492, 88283, 129029, 176566, 258058, 264849, 353132, 387087, 516116, 529698, 774174, 1059396, 1548348, 1677377, 3354754, 5032131, 6709508, 10064262, 20128524]

約数ペア:

[(1, 20128524), (2, 10064262), (3, 6709508), (4, 5032131), (6, 3354754), (12, 1677377), (13, 1548348), (19, 1059396), (26, 774174), (38, 529698), (39, 516116), (52, 387087), (57, 353132), (76, 264849), (78, 258058), (114, 176566), (156, 129029), (228, 88283), (247, 81492), (494, 40746), (741, 27164), (988, 20373), (1482, 13582), (2964, 6791)]