20549473

素因数分解:

$7^3\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:533

約数の個数: 16

約数和(自身を含む): 24169600

約数和(自身を除く): 3620127

約数列:

[1, 7, 49, 181, 331, 343, 1267, 2317, 8869, 16219, 59911, 62083, 113533, 419377, 2935639, 20549473]

約数ペア:

[(1, 20549473), (7, 2935639), (49, 419377), (181, 113533), (331, 62083), (343, 59911), (1267, 16219), (2317, 8869)]