20612290

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9001}}^1$

素因数の和:9237

約数の個数: 16

約数和(自身を含む): 37268280

約数和(自身を除く): 16655990

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 9001, 18002, 45005, 90010, 2061229, 4122458, 10306145, 20612290]

約数ペア:

[(1, 20612290), (2, 10306145), (5, 4122458), (10, 2061229), (229, 90010), (458, 45005), (1145, 18002), (2290, 9001)]