20397734

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63347}}^1$

素因数の和:63379

約数の個数: 16

約数和(自身を含む): 36488448

約数和(自身を除く): 16090714

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63347, 126694, 443429, 886858, 1456981, 2913962, 10198867, 20397734]

約数ペア:

[(1, 20397734), (2, 10198867), (7, 2913962), (14, 1456981), (23, 886858), (46, 443429), (161, 126694), (322, 63347)]