20604944

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12503}}^1$

素因数の和:12614

約数の個数: 20

約数和(自身を含む): 40312896

約数和(自身を除く): 19707952

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12503, 25006, 50012, 100024, 200048, 1287809, 2575618, 5151236, 10302472, 20604944]

約数ペア:

[(1, 20604944), (2, 10302472), (4, 5151236), (8, 2575618), (16, 1287809), (103, 200048), (206, 100024), (412, 50012), (824, 25006), (1648, 12503)]