20848569

素因数分解:

$3^1\times 7^3\times {\mathrm{20261}}^1$

素因数の和:20285

約数の個数: 16

約数和(自身を含む): 32419200

約数和(自身を除く): 11570631

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 20261, 60783, 141827, 425481, 992789, 2978367, 6949523, 20848569]

約数ペア:

[(1, 20848569), (3, 6949523), (7, 2978367), (21, 992789), (49, 425481), (147, 141827), (343, 60783), (1029, 20261)]