20781322824

素因数分解:

$2^3\times 3^1\times {\mathrm{1721}}^1\times {\mathrm{503131}}^1$

素因数の和:504861

約数の個数: 32

約数和(自身を含む): 51983598240

約数和(自身を除く): 31202275416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1721, 3442, 5163, 6884, 10326, 13768, 20652, 41304, 503131, 1006262, 1509393, 2012524, 3018786, 4025048, 6037572, 12075144, 865888451, 1731776902, 2597665353, 3463553804, 5195330706, 6927107608, 10390661412, 20781322824]

約数ペア:

[(1, 20781322824), (2, 10390661412), (3, 6927107608), (4, 5195330706), (6, 3463553804), (8, 2597665353), (12, 1731776902), (24, 865888451), (1721, 12075144), (3442, 6037572), (5163, 4025048), (6884, 3018786), (10326, 2012524), (13768, 1509393), (20652, 1006262), (41304, 503131)]