20229795

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4451}}^1$

素因数の和:4563

約数の個数: 24

約数和(自身を含む): 35420112

約数和(自身を除く): 15190317

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4451, 4545, 13353, 22255, 40059, 66765, 200295, 449551, 1348653, 2247755, 4045959, 6743265, 20229795]

約数ペア:

[(1, 20229795), (3, 6743265), (5, 4045959), (9, 2247755), (15, 1348653), (45, 449551), (101, 200295), (303, 66765), (505, 40059), (909, 22255), (1515, 13353), (4451, 4545)]