20995403

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3646

約数の個数: 16

約数和(自身を含む): 25274592

約数和(自身を除く): 4279189

約数列:

[1, 11, 13, 41, 143, 451, 533, 3581, 5863, 39391, 46553, 146821, 512083, 1615031, 1908673, 20995403]

約数ペア:

[(1, 20995403), (11, 1908673), (13, 1615031), (41, 512083), (143, 146821), (451, 46553), (533, 39391), (3581, 5863)]