20010010

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7121}}^1$

素因数の和:7409

約数の個数: 16

約数和(自身を含む): 36151272

約数和(自身を除く): 16141262

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 7121, 14242, 35605, 71210, 2001001, 4002002, 10005005, 20010010]

約数ペア:

[(1, 20010010), (2, 10005005), (5, 4002002), (10, 2001001), (281, 71210), (562, 35605), (1405, 14242), (2810, 7121)]