20556822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 51649920

約数和(自身を除く): 31093098

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 97, 114, 143, 169, 194, 209, 247, 286, 291, 338, 418, 429, 494, 507, 582, 627, 741, 858, 1014, 1067, 1254, 1261, 1482, 1843, 1859, 2134, 2522, 2717, 3201, 3211, 3686, 3718, 3783, 5434, 5529, 5577, 6402, 6422, 7566, 8151, 9633, 11058, 11154, 13871, 16302, 16393, 19266, 20273, 23959, 27742, 32786, 35321, 40546, 41613, 47918, 49179, 60819, 70642, 71877, 83226, 98358, 105963, 121638, 143754, 180323, 211926, 263549, 311467, 360646, 527098, 540969, 622934, 790647, 934401, 1081938, 1581294, 1868802, 3426137, 6852274, 10278411, 20556822]

約数ペア:

[(1, 20556822), (2, 10278411), (3, 6852274), (6, 3426137), (11, 1868802), (13, 1581294), (19, 1081938), (22, 934401), (26, 790647), (33, 622934), (38, 540969), (39, 527098), (57, 360646), (66, 311467), (78, 263549), (97, 211926), (114, 180323), (143, 143754), (169, 121638), (194, 105963), (209, 98358), (247, 83226), (286, 71877), (291, 70642), (338, 60819), (418, 49179), (429, 47918), (494, 41613), (507, 40546), (582, 35321), (627, 32786), (741, 27742), (858, 23959), (1014, 20273), (1067, 19266), (1254, 16393), (1261, 16302), (1482, 13871), (1843, 11154), (1859, 11058), (2134, 9633), (2522, 8151), (2717, 7566), (3201, 6422), (3211, 6402), (3686, 5577), (3718, 5529), (3783, 5434)]