20105458

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31123}}^1$

素因数の和:31161

約数の個数: 16

約数和(自身を含む): 33613920

約数和(自身を除く): 13508462

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31123, 62246, 529091, 591337, 1058182, 1182674, 10052729, 20105458]

約数ペア:

[(1, 20105458), (2, 10052729), (17, 1182674), (19, 1058182), (34, 591337), (38, 529091), (323, 62246), (646, 31123)]