20931990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697733}}^1$

素因数の和:697743

約数の個数: 16

約数和(自身を含む): 50236848

約数和(自身を除く): 29304858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697733, 1395466, 2093199, 3488665, 4186398, 6977330, 10465995, 20931990]

約数ペア:

[(1, 20931990), (2, 10465995), (3, 6977330), (5, 4186398), (6, 3488665), (10, 2093199), (15, 1395466), (30, 697733)]