20386855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6113}}^1$

素因数の和:6170

約数の個数: 16

約数和(自身を含む): 26412480

約数和(自身を除く): 6025625

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 6113, 30565, 140599, 177277, 702995, 886385, 4077371, 20386855]

約数ペア:

[(1, 20386855), (5, 4077371), (23, 886385), (29, 702995), (115, 177277), (145, 140599), (667, 30565), (3335, 6113)]