20950080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 67421760

約数和(自身を除く): 46471680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 157, 160, 192, 240, 278, 314, 320, 417, 471, 480, 556, 628, 695, 785, 834, 942, 960, 1112, 1256, 1390, 1570, 1668, 1884, 2085, 2224, 2355, 2512, 2780, 3140, 3336, 3768, 4170, 4448, 4710, 5024, 5560, 6280, 6672, 7536, 8340, 8896, 9420, 10048, 11120, 12560, 13344, 15072, 16680, 18840, 21823, 22240, 25120, 26688, 30144, 33360, 37680, 43646, 44480, 50240, 65469, 66720, 75360, 87292, 109115, 130938, 133440, 150720, 174584, 218230, 261876, 327345, 349168, 436460, 523752, 654690, 698336, 872920, 1047504, 1309380, 1396672, 1745840, 2095008, 2618760, 3491680, 4190016, 5237520, 6983360, 10475040, 20950080]

約数ペア:

[(1, 20950080), (2, 10475040), (3, 6983360), (4, 5237520), (5, 4190016), (6, 3491680), (8, 2618760), (10, 2095008), (12, 1745840), (15, 1396672), (16, 1309380), (20, 1047504), (24, 872920), (30, 698336), (32, 654690), (40, 523752), (48, 436460), (60, 349168), (64, 327345), (80, 261876), (96, 218230), (120, 174584), (139, 150720), (157, 133440), (160, 130938), (192, 109115), (240, 87292), (278, 75360), (314, 66720), (320, 65469), (417, 50240), (471, 44480), (480, 43646), (556, 37680), (628, 33360), (695, 30144), (785, 26688), (834, 25120), (942, 22240), (960, 21823), (1112, 18840), (1256, 16680), (1390, 15072), (1570, 13344), (1668, 12560), (1884, 11120), (2085, 10048), (2224, 9420), (2355, 8896), (2512, 8340), (2780, 7536), (3140, 6672), (3336, 6280), (3768, 5560), (4170, 5024), (4448, 4710)]