20179845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64063}}^1$

素因数の和:64081

約数の個数: 24

約数和(自身を含む): 39975936

約数和(自身を除く): 19796091

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64063, 192189, 320315, 448441, 576567, 960945, 1345323, 2242205, 2882835, 4035969, 6726615, 20179845]

約数ペア:

[(1, 20179845), (3, 6726615), (5, 4035969), (7, 2882835), (9, 2242205), (15, 1345323), (21, 960945), (35, 576567), (45, 448441), (63, 320315), (105, 192189), (315, 64063)]