20640202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{4133}}^1$

素因数の和:4373

約数の個数: 16

約数和(自身を含む): 33931872

約数和(自身を除く): 13291670

約数列:

[1, 2, 11, 22, 227, 454, 2497, 4133, 4994, 8266, 45463, 90926, 938191, 1876382, 10320101, 20640202]

約数ペア:

[(1, 20640202), (2, 10320101), (11, 1876382), (22, 938191), (227, 90926), (454, 45463), (2497, 8266), (4133, 4994)]