20472156

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 53518080

約数和(自身を除く): 33045924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1447, 1572, 2358, 2894, 3537, 4341, 4716, 5788, 7074, 8682, 13023, 14148, 17364, 26046, 39069, 52092, 78138, 156276, 189557, 379114, 568671, 758228, 1137342, 1706013, 2274684, 3412026, 5118039, 6824052, 10236078, 20472156]

約数ペア:

[(1, 20472156), (2, 10236078), (3, 6824052), (4, 5118039), (6, 3412026), (9, 2274684), (12, 1706013), (18, 1137342), (27, 758228), (36, 568671), (54, 379114), (108, 189557), (131, 156276), (262, 78138), (393, 52092), (524, 39069), (786, 26046), (1179, 17364), (1447, 14148), (1572, 13023), (2358, 8682), (2894, 7074), (3537, 5788), (4341, 4716)]