20138679

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67807}}^1$

素因数の和:67827

約数の個数: 16

約数和(自身を含む): 32547840

約数和(自身を除く): 12409161

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 67807, 203421, 610263, 745877, 1830789, 2237631, 6712893, 20138679]

約数ペア:

[(1, 20138679), (3, 6712893), (9, 2237631), (11, 1830789), (27, 745877), (33, 610263), (99, 203421), (297, 67807)]