20781191

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2443129

約数列:

[1, 17, 31, 47, 527, 799, 839, 1457, 14263, 24769, 26009, 39433, 442153, 670361, 1222423, 20781191]

約数ペア:

[(1, 20781191), (17, 1222423), (31, 670361), (47, 442153), (527, 39433), (799, 26009), (839, 24769), (1457, 14263)]