20512732215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1\times {\mathrm{15913}}^1$

素因数の和:20463

約数の個数: 32

約数和(自身を含む): 34557569280

約数和(自身を除く): 14044837065

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 4523, 13569, 15913, 22615, 47739, 67845, 79565, 85937, 238695, 257811, 302347, 429685, 907041, 1289055, 1511735, 4535205, 71974499, 215923497, 359872495, 1079617485, 1367515481, 4102546443, 6837577405, 20512732215]

約数ペア:

[(1, 20512732215), (3, 6837577405), (5, 4102546443), (15, 1367515481), (19, 1079617485), (57, 359872495), (95, 215923497), (285, 71974499), (4523, 4535205), (13569, 1511735), (15913, 1289055), (22615, 907041), (47739, 429685), (67845, 302347), (79565, 257811), (85937, 238695)]