20921610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697387}}^1$

素因数の和:697397

約数の個数: 16

約数和(自身を含む): 50211936

約数和(自身を除く): 29290326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697387, 1394774, 2092161, 3486935, 4184322, 6973870, 10460805, 20921610]

約数ペア:

[(1, 20921610), (2, 10460805), (3, 6973870), (5, 4184322), (6, 3486935), (10, 2092161), (15, 1394774), (30, 697387)]