20854372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67709}}^1$

素因数の和:67731

約数の個数: 24

約数和(自身を含む): 45501120

約数和(自身を除く): 24646748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67709, 135418, 270836, 473963, 744799, 947926, 1489598, 1895852, 2979196, 5213593, 10427186, 20854372]

約数ペア:

[(1, 20854372), (2, 10427186), (4, 5213593), (7, 2979196), (11, 1895852), (14, 1489598), (22, 947926), (28, 744799), (44, 473963), (77, 270836), (154, 135418), (308, 67709)]