20156368

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12473}}^1$

素因数の和:12582

約数の個数: 20

約数和(自身を含む): 39442788

約数和(自身を除く): 19286420

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12473, 24946, 49892, 99784, 199568, 1259773, 2519546, 5039092, 10078184, 20156368]

約数ペア:

[(1, 20156368), (2, 10078184), (4, 5039092), (8, 2519546), (16, 1259773), (101, 199568), (202, 99784), (404, 49892), (808, 24946), (1616, 12473)]