20915334

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^3\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 52080336

約数和(自身を除く): 31165002

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 97, 99, 121, 162, 194, 198, 242, 291, 297, 363, 582, 594, 726, 873, 891, 1067, 1089, 1331, 1746, 1782, 2134, 2178, 2619, 2662, 3201, 3267, 3993, 5238, 6402, 6534, 7857, 7986, 9603, 9801, 11737, 11979, 15714, 19206, 19602, 23474, 23958, 28809, 35211, 35937, 57618, 70422, 71874, 86427, 105633, 107811, 129107, 172854, 211266, 215622, 258214, 316899, 387321, 633798, 774642, 950697, 1161963, 1901394, 2323926, 3485889, 6971778, 10457667, 20915334]

約数ペア:

[(1, 20915334), (2, 10457667), (3, 6971778), (6, 3485889), (9, 2323926), (11, 1901394), (18, 1161963), (22, 950697), (27, 774642), (33, 633798), (54, 387321), (66, 316899), (81, 258214), (97, 215622), (99, 211266), (121, 172854), (162, 129107), (194, 107811), (198, 105633), (242, 86427), (291, 71874), (297, 70422), (363, 57618), (582, 35937), (594, 35211), (726, 28809), (873, 23958), (891, 23474), (1067, 19602), (1089, 19206), (1331, 15714), (1746, 11979), (1782, 11737), (2134, 9801), (2178, 9603), (2619, 7986), (2662, 7857), (3201, 6534), (3267, 6402), (3993, 5238)]