20007255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31019}}^1$

素因数の和:31070

約数の個数: 16

約数和(自身を含む): 32757120

約数和(自身を除く): 12749865

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31019, 93057, 155095, 465285, 1333817, 4001451, 6669085, 20007255]

約数ペア:

[(1, 20007255), (3, 6669085), (5, 4001451), (15, 1333817), (43, 465285), (129, 155095), (215, 93057), (645, 31019)]