20097340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23369}}^1$

素因数の和:23421

約数の個数: 24

約数和(自身を含む): 43187760

約数和(自身を除く): 23090420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23369, 46738, 93476, 116845, 233690, 467380, 1004867, 2009734, 4019468, 5024335, 10048670, 20097340]

約数ペア:

[(1, 20097340), (2, 10048670), (4, 5024335), (5, 4019468), (10, 2009734), (20, 1004867), (43, 467380), (86, 233690), (172, 116845), (215, 93476), (430, 46738), (860, 23369)]