20930180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9601}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 44361240

約数和(自身を除く): 23431060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9601, 19202, 38404, 48005, 96010, 192020, 1046509, 2093018, 4186036, 5232545, 10465090, 20930180]

約数ペア:

[(1, 20930180), (2, 10465090), (4, 5232545), (5, 4186036), (10, 2093018), (20, 1046509), (109, 192020), (218, 96010), (436, 48005), (545, 38404), (1090, 19202), (2180, 9601)]