20961842109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1055959}}^1$

素因数の和:1056484

約数の個数: 16

約数和(自身を含む): 30158217600

約数和(自身を除く): 9196375491

約数列:

[1, 3, 13, 39, 509, 1527, 6617, 19851, 1055959, 3167877, 13727467, 41182401, 537483131, 1612449393, 6987280703, 20961842109]

約数ペア:

[(1, 20961842109), (3, 6987280703), (13, 1612449393), (39, 537483131), (509, 41182401), (1527, 13727467), (6617, 3167877), (19851, 1055959)]