20328345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26573}}^1$

素因数の和:26601

約数の個数: 24

約数和(自身を含む): 37309896

約数和(自身を除く): 16981551

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26573, 79719, 132865, 239157, 398595, 451741, 1195785, 1355223, 2258705, 4065669, 6776115, 20328345]

約数ペア:

[(1, 20328345), (3, 6776115), (5, 4065669), (9, 2258705), (15, 1355223), (17, 1195785), (45, 451741), (51, 398595), (85, 239157), (153, 132865), (255, 79719), (765, 26573)]