20194161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10771599

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 479, 611, 897, 1081, 1437, 1833, 3243, 6227, 11017, 14053, 18681, 22513, 33051, 42159, 67539, 143221, 292669, 429663, 517799, 878007, 1553397, 6731387, 20194161]

約数ペア:

[(1, 20194161), (3, 6731387), (13, 1553397), (23, 878007), (39, 517799), (47, 429663), (69, 292669), (141, 143221), (299, 67539), (479, 42159), (611, 33051), (897, 22513), (1081, 18681), (1437, 14053), (1833, 11017), (3243, 6227)]