20367664

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11897}}^1$

素因数の和:12012

約数の個数: 20

約数和(自身を含む): 39834504

約数和(自身を除く): 19466840

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11897, 23794, 47588, 95176, 190352, 1272979, 2545958, 5091916, 10183832, 20367664]

約数ペア:

[(1, 20367664), (2, 10183832), (4, 5091916), (8, 2545958), (16, 1272979), (107, 190352), (214, 95176), (428, 47588), (856, 23794), (1712, 11897)]