20355286

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3919}}^1$

素因数の和:3988

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 15841994

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 3919, 5194, 7838, 27433, 54866, 192031, 207707, 384062, 415414, 1453949, 2907898, 10177643, 20355286]

約数ペア:

[(1, 20355286), (2, 10177643), (7, 2907898), (14, 1453949), (49, 415414), (53, 384062), (98, 207707), (106, 192031), (371, 54866), (742, 27433), (2597, 7838), (3919, 5194)]