17202020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78191}}^1$

素因数の和:78211

約数の個数: 24

約数和(自身を含む): 39408768

約数和(自身を除く): 22206748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 78191, 156382, 312764, 390955, 781910, 860101, 1563820, 1720202, 3440404, 4300505, 8601010, 17202020]

約数ペア:

[(1, 17202020), (2, 8601010), (4, 4300505), (5, 3440404), (10, 1720202), (11, 1563820), (20, 860101), (22, 781910), (44, 390955), (55, 312764), (110, 156382), (220, 78191)]