20219246640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1220969}}^1$

素因数の和:1221011

約数の個数: 120

約数和(自身を含む): 70855331040

約数和(自身を除く): 50636084400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 1220969, 2441938, 3662907, 4883876, 6104845, 7325814, 9767752, 10988721, 12209690, 14651628, 18314535, 19535504, 21977442, 24419380, 28082287, 29303256, 36629070, 43954884, 48838760, 54943605, 56164574, 58606512, 73258140, 84246861, 87909768, 97677520, 109887210, 112329148, 140411435, 146516280, 168493722, 175819536, 219774420, 224658296, 252740583, 280822870, 293032560, 336987444, 421234305, 439548840, 449316592, 505481166, 561645740, 673974888, 842468610, 879097680, 1010962332, 1123291480, 1263702915, 1347949776, 1684937220, 2021924664, 2246582960, 2527405830, 3369874440, 4043849328, 5054811660, 6739748880, 10109623320, 20219246640]

約数ペア:

[(1, 20219246640), (2, 10109623320), (3, 6739748880), (4, 5054811660), (5, 4043849328), (6, 3369874440), (8, 2527405830), (9, 2246582960), (10, 2021924664), (12, 1684937220), (15, 1347949776), (16, 1263702915), (18, 1123291480), (20, 1010962332), (23, 879097680), (24, 842468610), (30, 673974888), (36, 561645740), (40, 505481166), (45, 449316592), (46, 439548840), (48, 421234305), (60, 336987444), (69, 293032560), (72, 280822870), (80, 252740583), (90, 224658296), (92, 219774420), (115, 175819536), (120, 168493722), (138, 146516280), (144, 140411435), (180, 112329148), (184, 109887210), (207, 97677520), (230, 87909768), (240, 84246861), (276, 73258140), (345, 58606512), (360, 56164574), (368, 54943605), (414, 48838760), (460, 43954884), (552, 36629070), (690, 29303256), (720, 28082287), (828, 24419380), (920, 21977442), (1035, 19535504), (1104, 18314535), (1380, 14651628), (1656, 12209690), (1840, 10988721), (2070, 9767752), (2760, 7325814), (3312, 6104845), (4140, 4883876), (5520, 3662907), (8280, 2441938), (16560, 1220969)]