20986095

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107621}}^1$

素因数の和:107642

約数の個数: 16

約数和(自身を含む): 36160992

約数和(自身を除く): 15174897

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 107621, 322863, 538105, 1399073, 1614315, 4197219, 6995365, 20986095]

約数ペア:

[(1, 20986095), (3, 6995365), (5, 4197219), (13, 1614315), (15, 1399073), (39, 538105), (65, 322863), (195, 107621)]