20973210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4289}}^1$

素因数の和:4462

約数の個数: 32

約数和(自身を含む): 50656320

約数和(自身を除く): 29683110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4289, 4890, 8578, 12867, 21445, 25734, 42890, 64335, 128670, 699107, 1398214, 2097321, 3495535, 4194642, 6991070, 10486605, 20973210]

約数ペア:

[(1, 20973210), (2, 10486605), (3, 6991070), (5, 4194642), (6, 3495535), (10, 2097321), (15, 1398214), (30, 699107), (163, 128670), (326, 64335), (489, 42890), (815, 25734), (978, 21445), (1630, 12867), (2445, 8578), (4289, 4890)]