20857588712

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{419}}^1\times {\mathrm{22961}}^1$

素因数の和:23657

約数の個数: 32

約数和(自身を含む): 39347683200

約数和(自身を除く): 18490094488

約数列:

[1, 2, 4, 8, 271, 419, 542, 838, 1084, 1676, 2168, 3352, 22961, 45922, 91844, 113549, 183688, 227098, 454196, 908392, 6222431, 9620659, 12444862, 19241318, 24889724, 38482636, 49779448, 76965272, 2607198589, 5214397178, 10428794356, 20857588712]

約数ペア:

[(1, 20857588712), (2, 10428794356), (4, 5214397178), (8, 2607198589), (271, 76965272), (419, 49779448), (542, 38482636), (838, 24889724), (1084, 19241318), (1676, 12444862), (2168, 9620659), (3352, 6222431), (22961, 908392), (45922, 454196), (91844, 227098), (113549, 183688)]