20122493909

素因数分解:

$7^3\times {\mathrm{521}}^1\times {\mathrm{112603}}^1$

素因数の和:113145

約数の個数: 16

約数和(自身を含む): 23511715200

約数和(自身を除く): 3389221291

約数列:

[1, 7, 49, 343, 521, 3647, 25529, 112603, 178703, 788221, 5517547, 38622829, 58666163, 410663141, 2874641987, 20122493909]

約数ペア:

[(1, 20122493909), (7, 2874641987), (49, 410663141), (343, 58666163), (521, 38622829), (3647, 5517547), (25529, 788221), (112603, 178703)]