20672790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689093}}^1$

素因数の和:689103

約数の個数: 16

約数和(自身を含む): 49614768

約数和(自身を除く): 28941978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689093, 1378186, 2067279, 3445465, 4134558, 6890930, 10336395, 20672790]

約数ペア:

[(1, 20672790), (2, 10336395), (3, 6890930), (5, 4134558), (6, 3445465), (10, 2067279), (15, 1378186), (30, 689093)]