20802237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4583}}^1$

素因数の和:4692

約数の個数: 16

約数和(自身を含む): 29704320

約数和(自身を除く): 8902083

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4583, 13749, 77911, 233733, 407887, 1223661, 6934079, 20802237]

約数ペア:

[(1, 20802237), (3, 6934079), (17, 1223661), (51, 407887), (89, 233733), (267, 77911), (1513, 13749), (4539, 4583)]