20015079

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11780121

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 343, 367, 371, 1029, 1101, 1113, 2569, 2597, 7707, 7791, 17983, 18179, 19451, 53949, 54537, 58353, 125881, 136157, 377643, 408471, 953099, 2859297, 6671693, 20015079]

約数ペア:

[(1, 20015079), (3, 6671693), (7, 2859297), (21, 953099), (49, 408471), (53, 377643), (147, 136157), (159, 125881), (343, 58353), (367, 54537), (371, 53949), (1029, 19451), (1101, 18179), (1113, 17983), (2569, 7791), (2597, 7707)]