20342260

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9001}}^1$

素因数の和:9123

約数の個数: 24

約数和(自身を含む): 43101576

約数和(自身を除く): 22759316

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9001, 18002, 36004, 45005, 90010, 180020, 1017113, 2034226, 4068452, 5085565, 10171130, 20342260]

約数ペア:

[(1, 20342260), (2, 10171130), (4, 5085565), (5, 4068452), (10, 2034226), (20, 1017113), (113, 180020), (226, 90010), (452, 45005), (565, 36004), (1130, 18002), (2260, 9001)]