20187306051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{1871}}^1$

素因数の和:2168

約数の個数: 64

約数和(自身を含む): 31054233600

約数和(自身を除く): 10866927549

約数列:

[1, 3, 11, 31, 33, 53, 93, 159, 199, 341, 583, 597, 1023, 1643, 1749, 1871, 2189, 4929, 5613, 6169, 6567, 10547, 18073, 18507, 20581, 31641, 54219, 58001, 61743, 67859, 99163, 116017, 174003, 203577, 297489, 326957, 348051, 372329, 638011, 980871, 1090793, 1116987, 1914033, 3074053, 3272379, 3596527, 4095619, 9222159, 10789581, 11542199, 12286857, 19733437, 33814583, 34626597, 59200311, 101443749, 126964189, 217067807, 380892567, 611736547, 651203421, 1835209641, 6729102017, 20187306051]

約数ペア:

[(1, 20187306051), (3, 6729102017), (11, 1835209641), (31, 651203421), (33, 611736547), (53, 380892567), (93, 217067807), (159, 126964189), (199, 101443749), (341, 59200311), (583, 34626597), (597, 33814583), (1023, 19733437), (1643, 12286857), (1749, 11542199), (1871, 10789581), (2189, 9222159), (4929, 4095619), (5613, 3596527), (6169, 3272379), (6567, 3074053), (10547, 1914033), (18073, 1116987), (18507, 1090793), (20581, 980871), (31641, 638011), (54219, 372329), (58001, 348051), (61743, 326957), (67859, 297489), (99163, 203577), (116017, 174003)]