20163501955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{503}}^1\times {\mathrm{1811}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 25644003840

約数和(自身を除く): 5480501885

約数列:

[1, 5, 19, 95, 233, 503, 1165, 1811, 2515, 4427, 9055, 9557, 22135, 34409, 47785, 117199, 172045, 421963, 585995, 910933, 2109815, 2226781, 4554665, 8017297, 11133905, 17307727, 40086485, 86538635, 212247389, 1061236945, 4032700391, 20163501955]

約数ペア:

[(1, 20163501955), (5, 4032700391), (19, 1061236945), (95, 212247389), (233, 86538635), (503, 40086485), (1165, 17307727), (1811, 11133905), (2515, 8017297), (4427, 4554665), (9055, 2226781), (9557, 2109815), (22135, 910933), (34409, 585995), (47785, 421963), (117199, 172045)]