20045216

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8581}}^1$

素因数の和:8664

約数の個数: 24

約数和(自身を含む): 40009284

約数和(自身を除く): 19964068

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8581, 17162, 34324, 68648, 137296, 274592, 626413, 1252826, 2505652, 5011304, 10022608, 20045216]

約数ペア:

[(1, 20045216), (2, 10022608), (4, 5011304), (8, 2505652), (16, 1252826), (32, 626413), (73, 274592), (146, 137296), (292, 68648), (584, 34324), (1168, 17162), (2336, 8581)]