20409191999

素因数分解:

$7^1\times {\mathrm{541}}^1\times {\mathrm{1123}}^1\times {\mathrm{4799}}^1$

素因数の和:6470

約数の個数: 16

約数和(自身を含む): 23393587200

約数和(自身を除く): 2984395201

約数列:

[1, 7, 541, 1123, 3787, 4799, 7861, 33593, 607543, 2596259, 4252801, 5389277, 18173813, 37724939, 2915598857, 20409191999]

約数ペア:

[(1, 20409191999), (7, 2915598857), (541, 37724939), (1123, 18173813), (3787, 5389277), (4799, 4252801), (7861, 2596259), (33593, 607543)]