20155352

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 45628560

約数和(自身を除く): 25473208

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 997, 1064, 1444, 1994, 2527, 2888, 3988, 5054, 6979, 7976, 10108, 13958, 18943, 20216, 27916, 37886, 55832, 75772, 132601, 151544, 265202, 359917, 530404, 719834, 1060808, 1439668, 2519419, 2879336, 5038838, 10077676, 20155352]

約数ペア:

[(1, 20155352), (2, 10077676), (4, 5038838), (7, 2879336), (8, 2519419), (14, 1439668), (19, 1060808), (28, 719834), (38, 530404), (56, 359917), (76, 265202), (133, 151544), (152, 132601), (266, 75772), (361, 55832), (532, 37886), (722, 27916), (997, 20216), (1064, 18943), (1444, 13958), (1994, 10108), (2527, 7976), (2888, 6979), (3988, 5054)]