20889396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 42796044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 29, 33, 34, 36, 44, 51, 58, 66, 68, 87, 99, 102, 107, 116, 132, 153, 174, 187, 198, 204, 214, 261, 306, 319, 321, 348, 374, 396, 428, 493, 522, 561, 612, 638, 642, 748, 957, 963, 986, 1044, 1122, 1177, 1276, 1284, 1479, 1683, 1819, 1914, 1926, 1972, 2244, 2354, 2871, 2958, 3103, 3366, 3531, 3638, 3828, 3852, 4437, 4708, 5423, 5457, 5742, 5916, 6206, 6732, 7062, 7276, 8874, 9309, 10593, 10846, 10914, 11484, 12412, 14124, 16269, 16371, 17748, 18618, 20009, 21186, 21692, 21828, 27927, 32538, 32742, 34133, 37236, 40018, 42372, 48807, 52751, 55854, 60027, 65076, 65484, 68266, 80036, 97614, 102399, 105502, 111708, 120054, 136532, 158253, 180081, 195228, 204798, 211004, 240108, 307197, 316506, 360162, 409596, 474759, 580261, 614394, 633012, 720324, 949518, 1160522, 1228788, 1740783, 1899036, 2321044, 3481566, 5222349, 6963132, 10444698, 20889396]

約数ペア:

[(1, 20889396), (2, 10444698), (3, 6963132), (4, 5222349), (6, 3481566), (9, 2321044), (11, 1899036), (12, 1740783), (17, 1228788), (18, 1160522), (22, 949518), (29, 720324), (33, 633012), (34, 614394), (36, 580261), (44, 474759), (51, 409596), (58, 360162), (66, 316506), (68, 307197), (87, 240108), (99, 211004), (102, 204798), (107, 195228), (116, 180081), (132, 158253), (153, 136532), (174, 120054), (187, 111708), (198, 105502), (204, 102399), (214, 97614), (261, 80036), (306, 68266), (319, 65484), (321, 65076), (348, 60027), (374, 55854), (396, 52751), (428, 48807), (493, 42372), (522, 40018), (561, 37236), (612, 34133), (638, 32742), (642, 32538), (748, 27927), (957, 21828), (963, 21692), (986, 21186), (1044, 20009), (1122, 18618), (1177, 17748), (1276, 16371), (1284, 16269), (1479, 14124), (1683, 12412), (1819, 11484), (1914, 10914), (1926, 10846), (1972, 10593), (2244, 9309), (2354, 8874), (2871, 7276), (2958, 7062), (3103, 6732), (3366, 6206), (3531, 5916), (3638, 5742), (3828, 5457), (3852, 5423), (4437, 4708)]