20942558

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5003}}^1$

素因数の和:5048

約数の個数: 32

約数和(自身を含む): 40352256

約数和(自身を除く): 19409698

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5003, 10006, 35021, 65039, 70042, 115069, 130078, 230138, 455273, 805483, 910546, 1495897, 1610966, 2991794, 10471279, 20942558]

約数ペア:

[(1, 20942558), (2, 10471279), (7, 2991794), (13, 1610966), (14, 1495897), (23, 910546), (26, 805483), (46, 455273), (91, 230138), (161, 130078), (182, 115069), (299, 70042), (322, 65039), (598, 35021), (2093, 10006), (4186, 5003)]