20522645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28703}}^1$

素因数の和:28732

約数の個数: 16

約数和(自身を含む): 28933632

約数和(自身を除く): 8410987

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28703, 143515, 315733, 373139, 1578665, 1865695, 4104529, 20522645]

約数ペア:

[(1, 20522645), (5, 4104529), (11, 1865695), (13, 1578665), (55, 373139), (65, 315733), (143, 143515), (715, 28703)]