20201774

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{683}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 31715712

約数和(自身を除く): 11513938

約数列:

[1, 2, 23, 46, 643, 683, 1286, 1366, 14789, 15709, 29578, 31418, 439169, 878338, 10100887, 20201774]

約数ペア:

[(1, 20201774), (2, 10100887), (23, 878338), (46, 439169), (643, 31418), (683, 29578), (1286, 15709), (1366, 14789)]