20540273

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 23493120

約数和(自身を除く): 2952847

約数列:

[1, 13, 19, 137, 247, 607, 1781, 2603, 7891, 11533, 33839, 83159, 149929, 1081067, 1580021, 20540273]

約数ペア:

[(1, 20540273), (13, 1580021), (19, 1081067), (137, 149929), (247, 83159), (607, 33839), (1781, 11533), (2603, 7891)]