20971560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174763}}^1$

素因数の和:174777

約数の個数: 32

約数和(自身を含む): 62915040

約数和(自身を除く): 41943480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174763, 349526, 524289, 699052, 873815, 1048578, 1398104, 1747630, 2097156, 2621445, 3495260, 4194312, 5242890, 6990520, 10485780, 20971560]

約数ペア:

[(1, 20971560), (2, 10485780), (3, 6990520), (4, 5242890), (5, 4194312), (6, 3495260), (8, 2621445), (10, 2097156), (12, 1747630), (15, 1398104), (20, 1048578), (24, 873815), (30, 699052), (40, 524289), (60, 349526), (120, 174763)]