20740872009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48347021}}^1$

素因数の和:48347048

約数の個数: 16

約数和(自身を含む): 32489198784

約数和(自身を除く): 11748326775

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48347021, 145041063, 531817231, 628511273, 1595451693, 1885533819, 6913624003, 20740872009]

約数ペア:

[(1, 20740872009), (3, 6913624003), (11, 1885533819), (13, 1595451693), (33, 628511273), (39, 531817231), (143, 145041063), (429, 48347021)]