20790672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1500

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 42062448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1439, 1806, 2064, 2408, 2878, 3612, 4317, 4816, 5756, 7224, 8634, 10073, 11512, 14448, 17268, 20146, 23024, 30219, 34536, 40292, 60438, 61877, 69072, 80584, 120876, 123754, 161168, 185631, 241752, 247508, 371262, 433139, 483504, 495016, 742524, 866278, 990032, 1299417, 1485048, 1732556, 2598834, 2970096, 3465112, 5197668, 6930224, 10395336, 20790672]

約数ペア:

[(1, 20790672), (2, 10395336), (3, 6930224), (4, 5197668), (6, 3465112), (7, 2970096), (8, 2598834), (12, 1732556), (14, 1485048), (16, 1299417), (21, 990032), (24, 866278), (28, 742524), (42, 495016), (43, 483504), (48, 433139), (56, 371262), (84, 247508), (86, 241752), (112, 185631), (129, 161168), (168, 123754), (172, 120876), (258, 80584), (301, 69072), (336, 61877), (344, 60438), (516, 40292), (602, 34536), (688, 30219), (903, 23024), (1032, 20146), (1204, 17268), (1439, 14448), (1806, 11512), (2064, 10073), (2408, 8634), (2878, 7224), (3612, 5756), (4317, 4816)]