20219043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1667}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 29143296

約数和(自身を除く): 8924253

約数列:

[1, 3, 13, 39, 311, 933, 1667, 4043, 5001, 12129, 21671, 65013, 518437, 1555311, 6739681, 20219043]

約数ペア:

[(1, 20219043), (3, 6739681), (13, 1555311), (39, 518437), (311, 65013), (933, 21671), (1667, 12129), (4043, 5001)]