20835969

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90199}}^1$

素因数の和:90220

約数の個数: 16

約数和(自身を含む): 34636800

約数和(自身を除く): 13800831

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90199, 270597, 631393, 992189, 1894179, 2976567, 6945323, 20835969]

約数ペア:

[(1, 20835969), (3, 6945323), (7, 2976567), (11, 1894179), (21, 992189), (33, 631393), (77, 270597), (231, 90199)]