20819619

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14549}}^1$

素因数の和:14611

約数の個数: 16

約数和(自身を含む): 31428000

約数和(自身を除く): 10608381

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14549, 43647, 130941, 392823, 771097, 2313291, 6939873, 20819619]

約数ペア:

[(1, 20819619), (3, 6939873), (9, 2313291), (27, 771097), (53, 392823), (159, 130941), (477, 43647), (1431, 14549)]