20771365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5683}}^1$

素因数の和:5748

約数の個数: 16

約数和(自身を含む): 27010368

約数和(自身を除く): 6239003

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5683, 28415, 96611, 244369, 483055, 1221845, 4154273, 20771365]

約数ペア:

[(1, 20771365), (5, 4154273), (17, 1221845), (43, 483055), (85, 244369), (215, 96611), (731, 28415), (3655, 5683)]