20938510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1543}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 40020480

約数和(自身を除く): 19081970

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 1543, 2714, 3086, 6785, 7715, 13570, 15430, 35489, 70978, 91037, 177445, 182074, 354890, 455185, 910370, 2093851, 4187702, 10469255, 20938510]

約数ペア:

[(1, 20938510), (2, 10469255), (5, 4187702), (10, 2093851), (23, 910370), (46, 455185), (59, 354890), (115, 182074), (118, 177445), (230, 91037), (295, 70978), (590, 35489), (1357, 15430), (1543, 13570), (2714, 7715), (3086, 6785)]