20002009503

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{47933}}^1$

素因数の和:48615

約数の個数: 32

約数和(自身を含む): 31512195072

約数和(自身を除く): 11510185569

約数列:

[1, 3, 7, 21, 31, 93, 217, 641, 651, 1923, 4487, 13461, 19871, 47933, 59613, 139097, 143799, 335531, 417291, 1006593, 1485923, 4457769, 10401461, 30725053, 31204383, 92175159, 215075371, 645226113, 952476643, 2857429929, 6667336501, 20002009503]

約数ペア:

[(1, 20002009503), (3, 6667336501), (7, 2857429929), (21, 952476643), (31, 645226113), (93, 215075371), (217, 92175159), (641, 31204383), (651, 30725053), (1923, 10401461), (4487, 4457769), (13461, 1485923), (19871, 1006593), (47933, 417291), (59613, 335531), (139097, 143799)]