20878606

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11213}}^1$

素因数の和:11248

約数の個数: 24

約数和(自身を含む): 38351880

約数和(自身を除く): 17473274

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11213, 22426, 78491, 156982, 213047, 426094, 549437, 1098874, 1491329, 2982658, 10439303, 20878606]

約数ペア:

[(1, 20878606), (2, 10439303), (7, 2982658), (14, 1491329), (19, 1098874), (38, 549437), (49, 426094), (98, 213047), (133, 156982), (266, 78491), (931, 22426), (1862, 11213)]