207664820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{943931}}^1$

素因数の和:943951

約数の個数: 24

約数和(自身を含む): 475741728

約数和(自身を除く): 268076908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 943931, 1887862, 3775724, 4719655, 9439310, 10383241, 18878620, 20766482, 41532964, 51916205, 103832410, 207664820]

約数ペア:

[(1, 207664820), (2, 103832410), (4, 51916205), (5, 41532964), (10, 20766482), (11, 18878620), (20, 10383241), (22, 9439310), (44, 4719655), (55, 3775724), (110, 1887862), (220, 943931)]