20005950984

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{81001}}^1$

素因数の和:81302

約数の個数: 64

約数和(自身を含む): 51439510080

約数和(自身を除く): 31433559096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 251, 328, 492, 502, 753, 984, 1004, 1506, 2008, 3012, 6024, 10291, 20582, 30873, 41164, 61746, 81001, 82328, 123492, 162002, 243003, 246984, 324004, 486006, 648008, 972012, 1944024, 3321041, 6642082, 9963123, 13284164, 19926246, 20331251, 26568328, 39852492, 40662502, 60993753, 79704984, 81325004, 121987506, 162650008, 243975012, 487950024, 833581291, 1667162582, 2500743873, 3334325164, 5001487746, 6668650328, 10002975492, 20005950984]

約数ペア:

[(1, 20005950984), (2, 10002975492), (3, 6668650328), (4, 5001487746), (6, 3334325164), (8, 2500743873), (12, 1667162582), (24, 833581291), (41, 487950024), (82, 243975012), (123, 162650008), (164, 121987506), (246, 81325004), (251, 79704984), (328, 60993753), (492, 40662502), (502, 39852492), (753, 26568328), (984, 20331251), (1004, 19926246), (1506, 13284164), (2008, 9963123), (3012, 6642082), (6024, 3321041), (10291, 1944024), (20582, 972012), (30873, 648008), (41164, 486006), (61746, 324004), (81001, 246984), (82328, 243003), (123492, 162002)]