20120779730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2034457}}^1$

素因数の和:2034530

約数の個数: 32

約数和(自身を含む): 38670977664

約数和(自身を除く): 18550197934

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 2034457, 4068914, 10172285, 20344570, 46792511, 87481651, 93585022, 174963302, 233962555, 437408255, 467925110, 874816510, 2012077973, 4024155946, 10060389865, 20120779730]

約数ペア:

[(1, 20120779730), (2, 10060389865), (5, 4024155946), (10, 2012077973), (23, 874816510), (43, 467925110), (46, 437408255), (86, 233962555), (115, 174963302), (215, 93585022), (230, 87481651), (430, 46792511), (989, 20344570), (1978, 10172285), (4945, 4068914), (9890, 2034457)]