20369014

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 11057546

約数列:

[1, 2, 43, 86, 239, 478, 991, 1982, 10277, 20554, 42613, 85226, 236849, 473698, 10184507, 20369014]

約数ペア:

[(1, 20369014), (2, 10184507), (43, 473698), (86, 236849), (239, 85226), (478, 42613), (991, 20554), (1982, 10277)]