12300020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2393}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 25941384

約数和(自身を除く): 13641364

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2393, 2570, 4786, 5140, 9572, 11965, 23930, 47860, 615001, 1230002, 2460004, 3075005, 6150010, 12300020]

約数ペア:

[(1, 12300020), (2, 6150010), (4, 3075005), (5, 2460004), (10, 1230002), (20, 615001), (257, 47860), (514, 23930), (1028, 11965), (1285, 9572), (2393, 5140), (2570, 4786)]