20279553

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4217}}^1$

素因数の和:4456

約数の個数: 16

約数和(自身を含む): 31044480

約数和(自身を除く): 10764927

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4217, 4809, 12651, 29519, 88557, 965693, 2897079, 6759851, 20279553]

約数ペア:

[(1, 20279553), (3, 6759851), (7, 2897079), (21, 965693), (229, 88557), (687, 29519), (1603, 12651), (4217, 4809)]