20284299

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7853}}^1$

素因数の和:7907

約数の個数: 24

約数和(自身を含む): 34306272

約数和(自身を除く): 14021973

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7853, 23559, 54971, 70677, 164913, 321973, 494739, 965919, 2253811, 2897757, 6761433, 20284299]

約数ペア:

[(1, 20284299), (3, 6761433), (7, 2897757), (9, 2253811), (21, 965919), (41, 494739), (63, 321973), (123, 164913), (287, 70677), (369, 54971), (861, 23559), (2583, 7853)]