20451382

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47123}}^1$

素因数の和:47163

約数の個数: 16

約数和(自身を含む): 36191232

約数和(自身を除く): 15739850

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47123, 94246, 329861, 659722, 1460813, 2921626, 10225691, 20451382]

約数ペア:

[(1, 20451382), (2, 10225691), (7, 2921626), (14, 1460813), (31, 659722), (62, 329861), (217, 94246), (434, 47123)]