20280590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184369}}^1$

素因数の和:184387

約数の個数: 16

約数和(自身を含む): 39823920

約数和(自身を除く): 19543330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 184369, 368738, 921845, 1843690, 2028059, 4056118, 10140295, 20280590]

約数ペア:

[(1, 20280590), (2, 10140295), (5, 4056118), (10, 2028059), (11, 1843690), (22, 921845), (55, 368738), (110, 184369)]