20465892

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 36869148

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 71, 102, 108, 142, 153, 157, 204, 213, 284, 306, 314, 426, 459, 471, 612, 628, 639, 852, 918, 942, 1207, 1278, 1413, 1836, 1884, 1917, 2414, 2556, 2669, 2826, 3621, 3834, 4239, 4828, 5338, 5652, 7242, 7668, 8007, 8478, 10676, 10863, 11147, 14484, 16014, 16956, 21726, 22294, 24021, 32028, 32589, 33441, 43452, 44588, 48042, 65178, 66882, 72063, 96084, 100323, 130356, 133764, 144126, 189499, 200646, 288252, 300969, 378998, 401292, 568497, 601938, 757996, 1136994, 1203876, 1705491, 2273988, 3410982, 5116473, 6821964, 10232946, 20465892]

約数ペア:

[(1, 20465892), (2, 10232946), (3, 6821964), (4, 5116473), (6, 3410982), (9, 2273988), (12, 1705491), (17, 1203876), (18, 1136994), (27, 757996), (34, 601938), (36, 568497), (51, 401292), (54, 378998), (68, 300969), (71, 288252), (102, 200646), (108, 189499), (142, 144126), (153, 133764), (157, 130356), (204, 100323), (213, 96084), (284, 72063), (306, 66882), (314, 65178), (426, 48042), (459, 44588), (471, 43452), (612, 33441), (628, 32589), (639, 32028), (852, 24021), (918, 22294), (942, 21726), (1207, 16956), (1278, 16014), (1413, 14484), (1836, 11147), (1884, 10863), (1917, 10676), (2414, 8478), (2556, 8007), (2669, 7668), (2826, 7242), (3621, 5652), (3834, 5338), (4239, 4828)]