20781277413

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1046863}}^1$

素因数の和:1047388

約数の個数: 16

約数和(自身を含む): 29898435840

約数和(自身を除く): 9117158427

約数列:

[1, 3, 13, 39, 509, 1527, 6617, 19851, 1046863, 3140589, 13609219, 40827657, 532853267, 1598559801, 6927092471, 20781277413]

約数ペア:

[(1, 20781277413), (3, 6927092471), (13, 1598559801), (39, 532853267), (509, 40827657), (1527, 13609219), (6617, 3140589), (19851, 1046863)]