20496777

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 11851383

約数列:

[1, 3, 7, 21, 59, 71, 177, 213, 233, 413, 497, 699, 1239, 1491, 1631, 4189, 4893, 12567, 13747, 16543, 29323, 41241, 49629, 87969, 96229, 115801, 288687, 347403, 976037, 2928111, 6832259, 20496777]

約数ペア:

[(1, 20496777), (3, 6832259), (7, 2928111), (21, 976037), (59, 347403), (71, 288687), (177, 115801), (213, 96229), (233, 87969), (413, 49629), (497, 41241), (699, 29323), (1239, 16543), (1491, 13747), (1631, 12567), (4189, 4893)]