20120778587

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13006321}}^1$

素因数の和:13006358

約数の個数: 16

約数和(自身を含む): 26220745152

約数和(自身を除く): 6099966565

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13006321, 91044247, 169082173, 221107457, 1183575211, 1547752199, 2874396941, 20120778587]

約数ペア:

[(1, 20120778587), (7, 2874396941), (13, 1547752199), (17, 1183575211), (91, 221107457), (119, 169082173), (221, 91044247), (1547, 13006321)]