20748548

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 37766400

約数和(自身を除く): 17017852

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1123, 2246, 4492, 4619, 9238, 18476, 34813, 69626, 139252, 167327, 334654, 669308, 5187137, 10374274, 20748548]

約数ペア:

[(1, 20748548), (2, 10374274), (4, 5187137), (31, 669308), (62, 334654), (124, 167327), (149, 139252), (298, 69626), (596, 34813), (1123, 18476), (2246, 9238), (4492, 4619)]