20285505

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8839}}^1$

素因数の和:8870

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 17903295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8839, 26517, 44195, 79551, 132585, 150263, 238653, 397755, 450789, 751315, 1193265, 1352367, 2253945, 4057101, 6761835, 20285505]

約数ペア:

[(1, 20285505), (3, 6761835), (5, 4057101), (9, 2253945), (15, 1352367), (17, 1193265), (27, 751315), (45, 450789), (51, 397755), (85, 238653), (135, 150263), (153, 132585), (255, 79551), (459, 44195), (765, 26517), (2295, 8839)]