20177839952

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{823}}^1\times {\mathrm{4547}}^1$

素因数の和:5715

約数の個数: 40

約数和(自身を含む): 39266849856

約数和(自身を除く): 19089009904

約数列:

[1, 2, 4, 8, 16, 337, 674, 823, 1348, 1646, 2696, 3292, 4547, 5392, 6584, 9094, 13168, 18188, 36376, 72752, 277351, 554702, 1109404, 1532339, 2218808, 3064678, 3742181, 4437616, 6129356, 7484362, 12258712, 14968724, 24517424, 29937448, 59874896, 1261114997, 2522229994, 5044459988, 10088919976, 20177839952]

約数ペア:

[(1, 20177839952), (2, 10088919976), (4, 5044459988), (8, 2522229994), (16, 1261114997), (337, 59874896), (674, 29937448), (823, 24517424), (1348, 14968724), (1646, 12258712), (2696, 7484362), (3292, 6129356), (4547, 4437616), (5392, 3742181), (6584, 3064678), (9094, 2218808), (13168, 1532339), (18188, 1109404), (36376, 554702), (72752, 277351)]