20217756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 54331200

約数和(自身を除く): 34113444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 41, 52, 58, 78, 82, 87, 109, 116, 123, 156, 164, 174, 218, 246, 327, 348, 377, 436, 492, 533, 654, 754, 1066, 1131, 1189, 1308, 1417, 1508, 1599, 2132, 2262, 2378, 2834, 3161, 3198, 3567, 4251, 4469, 4524, 4756, 5668, 6322, 6396, 7134, 8502, 8938, 9483, 12644, 13407, 14268, 15457, 17004, 17876, 18966, 26814, 30914, 37932, 41093, 46371, 53628, 58097, 61828, 82186, 92742, 116194, 123279, 129601, 164372, 174291, 185484, 232388, 246558, 259202, 348582, 388803, 493116, 518404, 697164, 777606, 1555212, 1684813, 3369626, 5054439, 6739252, 10108878, 20217756]

約数ペア:

[(1, 20217756), (2, 10108878), (3, 6739252), (4, 5054439), (6, 3369626), (12, 1684813), (13, 1555212), (26, 777606), (29, 697164), (39, 518404), (41, 493116), (52, 388803), (58, 348582), (78, 259202), (82, 246558), (87, 232388), (109, 185484), (116, 174291), (123, 164372), (156, 129601), (164, 123279), (174, 116194), (218, 92742), (246, 82186), (327, 61828), (348, 58097), (377, 53628), (436, 46371), (492, 41093), (533, 37932), (654, 30914), (754, 26814), (1066, 18966), (1131, 17876), (1189, 17004), (1308, 15457), (1417, 14268), (1508, 13407), (1599, 12644), (2132, 9483), (2262, 8938), (2378, 8502), (2834, 7134), (3161, 6396), (3198, 6322), (3567, 5668), (4251, 4756), (4469, 4524)]