20200730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{809}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 19690150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 809, 1135, 1618, 2270, 2497, 4045, 4994, 8090, 8899, 12485, 17798, 24970, 44495, 88990, 183643, 367286, 918215, 1836430, 2020073, 4040146, 10100365, 20200730]

約数ペア:

[(1, 20200730), (2, 10100365), (5, 4040146), (10, 2020073), (11, 1836430), (22, 918215), (55, 367286), (110, 183643), (227, 88990), (454, 44495), (809, 24970), (1135, 17798), (1618, 12485), (2270, 8899), (2497, 8090), (4045, 4994)]