20747172

素因数分解:

$2^2\times 3^1\times {\mathrm{1109}}^1\times {\mathrm{1559}}^1$

素因数の和:2675

約数の個数: 24

約数和(自身を含む): 48484800

約数和(自身を除く): 27737628

約数列:

[1, 2, 3, 4, 6, 12, 1109, 1559, 2218, 3118, 3327, 4436, 4677, 6236, 6654, 9354, 13308, 18708, 1728931, 3457862, 5186793, 6915724, 10373586, 20747172]

約数ペア:

[(1, 20747172), (2, 10373586), (3, 6915724), (4, 5186793), (6, 3457862), (12, 1728931), (1109, 18708), (1559, 13308), (2218, 9354), (3118, 6654), (3327, 6236), (4436, 4677)]