20117776897

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{156887}}^1$

素因数の和:157320

約数の個数: 16

約数和(自身を含む): 22478912640

約数和(自身を除く): 2361135743

約数列:

[1, 17, 19, 323, 397, 6749, 7543, 128231, 156887, 2667079, 2980853, 50674501, 62284139, 1058830363, 1183398641, 20117776897]

約数ペア:

[(1, 20117776897), (17, 1183398641), (19, 1058830363), (323, 62284139), (397, 50674501), (6749, 2980853), (7543, 2667079), (128231, 156887)]