20418156

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 61837776

約数和(自身を除く): 41419620

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 66, 68, 81, 99, 102, 108, 132, 153, 162, 187, 198, 204, 297, 306, 324, 337, 374, 396, 459, 561, 594, 612, 674, 748, 891, 918, 1011, 1122, 1188, 1348, 1377, 1683, 1782, 1836, 2022, 2244, 2754, 3033, 3366, 3564, 3707, 4044, 5049, 5508, 5729, 6066, 6732, 7414, 9099, 10098, 11121, 11458, 12132, 14828, 15147, 17187, 18198, 20196, 22242, 22916, 27297, 30294, 33363, 34374, 36396, 44484, 51561, 54594, 60588, 63019, 66726, 68748, 100089, 103122, 109188, 126038, 133452, 154683, 189057, 200178, 206244, 252076, 300267, 309366, 378114, 400356, 464049, 567171, 600534, 618732, 756228, 928098, 1134342, 1201068, 1701513, 1856196, 2268684, 3403026, 5104539, 6806052, 10209078, 20418156]

約数ペア:

[(1, 20418156), (2, 10209078), (3, 6806052), (4, 5104539), (6, 3403026), (9, 2268684), (11, 1856196), (12, 1701513), (17, 1201068), (18, 1134342), (22, 928098), (27, 756228), (33, 618732), (34, 600534), (36, 567171), (44, 464049), (51, 400356), (54, 378114), (66, 309366), (68, 300267), (81, 252076), (99, 206244), (102, 200178), (108, 189057), (132, 154683), (153, 133452), (162, 126038), (187, 109188), (198, 103122), (204, 100089), (297, 68748), (306, 66726), (324, 63019), (337, 60588), (374, 54594), (396, 51561), (459, 44484), (561, 36396), (594, 34374), (612, 33363), (674, 30294), (748, 27297), (891, 22916), (918, 22242), (1011, 20196), (1122, 18198), (1188, 17187), (1348, 15147), (1377, 14828), (1683, 12132), (1782, 11458), (1836, 11121), (2022, 10098), (2244, 9099), (2754, 7414), (3033, 6732), (3366, 6066), (3564, 5729), (3707, 5508), (4044, 5049)]