20162060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 23746420

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 241, 356, 445, 470, 482, 890, 940, 964, 1205, 1780, 2410, 4183, 4820, 8366, 11327, 16732, 20915, 21449, 22654, 41830, 42898, 45308, 56635, 83660, 85796, 107245, 113270, 214490, 226540, 428980, 1008103, 2016206, 4032412, 5040515, 10081030, 20162060]

約数ペア:

[(1, 20162060), (2, 10081030), (4, 5040515), (5, 4032412), (10, 2016206), (20, 1008103), (47, 428980), (89, 226540), (94, 214490), (178, 113270), (188, 107245), (235, 85796), (241, 83660), (356, 56635), (445, 45308), (470, 42898), (482, 41830), (890, 22654), (940, 21449), (964, 20915), (1205, 16732), (1780, 11327), (2410, 8366), (4183, 4820)]