20447535

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8363}}^1$

素因数の和:8534

約数の個数: 16

約数和(自身を含む): 32920704

約数和(自身を除く): 12473169

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8363, 25089, 41815, 125445, 1363169, 4089507, 6815845, 20447535]

約数ペア:

[(1, 20447535), (3, 6815845), (5, 4089507), (15, 1363169), (163, 125445), (489, 41815), (815, 25089), (2445, 8363)]