20005704

素因数分解:

$2^3\times 3^5\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 37782936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 108, 123, 162, 164, 216, 243, 246, 251, 324, 328, 369, 486, 492, 502, 648, 738, 753, 972, 984, 1004, 1107, 1476, 1506, 1944, 2008, 2214, 2259, 2952, 3012, 3321, 4428, 4518, 6024, 6642, 6777, 8856, 9036, 9963, 10291, 13284, 13554, 18072, 19926, 20331, 20582, 26568, 27108, 30873, 39852, 40662, 41164, 54216, 60993, 61746, 79704, 81324, 82328, 92619, 121986, 123492, 162648, 185238, 243972, 246984, 277857, 370476, 487944, 555714, 740952, 833571, 1111428, 1667142, 2222856, 2500713, 3334284, 5001426, 6668568, 10002852, 20005704]

約数ペア:

[(1, 20005704), (2, 10002852), (3, 6668568), (4, 5001426), (6, 3334284), (8, 2500713), (9, 2222856), (12, 1667142), (18, 1111428), (24, 833571), (27, 740952), (36, 555714), (41, 487944), (54, 370476), (72, 277857), (81, 246984), (82, 243972), (108, 185238), (123, 162648), (162, 123492), (164, 121986), (216, 92619), (243, 82328), (246, 81324), (251, 79704), (324, 61746), (328, 60993), (369, 54216), (486, 41164), (492, 40662), (502, 39852), (648, 30873), (738, 27108), (753, 26568), (972, 20582), (984, 20331), (1004, 19926), (1107, 18072), (1476, 13554), (1506, 13284), (1944, 10291), (2008, 9963), (2214, 9036), (2259, 8856), (2952, 6777), (3012, 6642), (3321, 6024), (4428, 4518)]