20131471370

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1\times {\mathrm{20479}}^1$

素因数の和:21182

約数の個数: 32

約数和(自身を含む): 36495360000

約数和(自身を除く): 16363888630

約数列:

[1, 2, 5, 10, 197, 394, 499, 985, 998, 1970, 2495, 4990, 20479, 40958, 98303, 102395, 196606, 204790, 491515, 983030, 4034363, 8068726, 10219021, 20171815, 20438042, 40343630, 51095105, 102190210, 2013147137, 4026294274, 10065735685, 20131471370]

約数ペア:

[(1, 20131471370), (2, 10065735685), (5, 4026294274), (10, 2013147137), (197, 102190210), (394, 51095105), (499, 40343630), (985, 20438042), (998, 20171815), (1970, 10219021), (2495, 8068726), (4990, 4034363), (20479, 983030), (40958, 491515), (98303, 204790), (102395, 196606)]