20846700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1103}}^1$

素因数の和:1133

約数の個数: 144

約数和(自身を含む): 76661760

約数和(自身を除く): 55815060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1103, 1260, 1350, 1575, 1890, 2100, 2206, 2700, 3150, 3309, 3780, 4412, 4725, 5515, 6300, 6618, 7721, 9450, 9927, 11030, 13236, 15442, 16545, 18900, 19854, 22060, 23163, 27575, 29781, 30884, 33090, 38605, 39708, 46326, 49635, 55150, 59562, 66180, 69489, 77210, 82725, 92652, 99270, 110300, 115815, 119124, 138978, 148905, 154420, 165450, 193025, 198540, 208467, 231630, 248175, 277956, 297810, 330900, 347445, 386050, 416934, 463260, 496350, 579075, 595620, 694890, 744525, 772100, 833868, 992700, 1042335, 1158150, 1389780, 1489050, 1737225, 2084670, 2316300, 2978100, 3474450, 4169340, 5211675, 6948900, 10423350, 20846700]

約数ペア:

[(1, 20846700), (2, 10423350), (3, 6948900), (4, 5211675), (5, 4169340), (6, 3474450), (7, 2978100), (9, 2316300), (10, 2084670), (12, 1737225), (14, 1489050), (15, 1389780), (18, 1158150), (20, 1042335), (21, 992700), (25, 833868), (27, 772100), (28, 744525), (30, 694890), (35, 595620), (36, 579075), (42, 496350), (45, 463260), (50, 416934), (54, 386050), (60, 347445), (63, 330900), (70, 297810), (75, 277956), (84, 248175), (90, 231630), (100, 208467), (105, 198540), (108, 193025), (126, 165450), (135, 154420), (140, 148905), (150, 138978), (175, 119124), (180, 115815), (189, 110300), (210, 99270), (225, 92652), (252, 82725), (270, 77210), (300, 69489), (315, 66180), (350, 59562), (378, 55150), (420, 49635), (450, 46326), (525, 39708), (540, 38605), (630, 33090), (675, 30884), (700, 29781), (756, 27575), (900, 23163), (945, 22060), (1050, 19854), (1103, 18900), (1260, 16545), (1350, 15442), (1575, 13236), (1890, 11030), (2100, 9927), (2206, 9450), (2700, 7721), (3150, 6618), (3309, 6300), (3780, 5515), (4412, 4725)]