20216172561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127081}}^1\times {\mathrm{4079}}^1$

素因数の和:131176

約数の個数: 16

約数和(自身を含む): 29035695360

約数和(自身を除く): 8819522799

約数列:

[1, 3, 13, 39, 4079, 12237, 53027, 127081, 159081, 381243, 1652053, 4956159, 518363399, 1555090197, 6738724187, 20216172561]

約数ペア:

[(1, 20216172561), (3, 6738724187), (13, 1555090197), (39, 518363399), (4079, 4956159), (12237, 1652053), (53027, 381243), (127081, 159081)]