16866580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 36945216

約数和(自身を除く): 20078636

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 307, 335, 410, 614, 670, 820, 1228, 1340, 1535, 2747, 3070, 5494, 6140, 10988, 12587, 13735, 20569, 25174, 27470, 41138, 50348, 54940, 62935, 82276, 102845, 125870, 205690, 251740, 411380, 843329, 1686658, 3373316, 4216645, 8433290, 16866580]

約数ペア:

[(1, 16866580), (2, 8433290), (4, 4216645), (5, 3373316), (10, 1686658), (20, 843329), (41, 411380), (67, 251740), (82, 205690), (134, 125870), (164, 102845), (205, 82276), (268, 62935), (307, 54940), (335, 50348), (410, 41138), (614, 27470), (670, 25174), (820, 20569), (1228, 13735), (1340, 12587), (1535, 10988), (2747, 6140), (3070, 5494)]