20488455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35023}}^1$

素因数の和:35047

約数の個数: 24

約数和(自身を含む): 38246208

約数和(自身を除く): 17757753

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35023, 105069, 175115, 315207, 455299, 525345, 1365897, 1576035, 2276495, 4097691, 6829485, 20488455]

約数ペア:

[(1, 20488455), (3, 6829485), (5, 4097691), (9, 2276495), (13, 1576035), (15, 1365897), (39, 525345), (45, 455299), (65, 315207), (117, 175115), (195, 105069), (585, 35023)]