20779863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 11744937

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 967, 1131, 1653, 2901, 7163, 12571, 18373, 21489, 28043, 37713, 55119, 84129, 238849, 364559, 532817, 716547, 1093677, 1598451, 6926621, 20779863]

約数ペア:

[(1, 20779863), (3, 6926621), (13, 1598451), (19, 1093677), (29, 716547), (39, 532817), (57, 364559), (87, 238849), (247, 84129), (377, 55119), (551, 37713), (741, 28043), (967, 21489), (1131, 18373), (1653, 12571), (2901, 7163)]