206077580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{94531}}^1$

素因数の和:94649

約数の個数: 24

約数和(自身を含む): 436737840

約数和(自身を除く): 230660260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 94531, 189062, 378124, 472655, 945310, 1890620, 10303879, 20607758, 41215516, 51519395, 103038790, 206077580]

約数ペア:

[(1, 206077580), (2, 103038790), (4, 51519395), (5, 41215516), (10, 20607758), (20, 10303879), (109, 1890620), (218, 945310), (436, 472655), (545, 378124), (1090, 189062), (2180, 94531)]