20670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:76

約数の個数: 32

約数和(自身を含む): 54432

約数和(自身を除く): 33762

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1378, 1590, 2067, 3445, 4134, 6890, 10335, 20670]

約数ペア:

[(1, 20670), (2, 10335), (3, 6890), (5, 4134), (6, 3445), (10, 2067), (13, 1590), (15, 1378), (26, 795), (30, 689), (39, 530), (53, 390), (65, 318), (78, 265), (106, 195), (130, 159)]