204976220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{249971}}^1$

素因数の和:250021

約数の個数: 24

約数和(自身を含む): 440950608

約数和(自身を除く): 235974388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 249971, 499942, 999884, 1249855, 2499710, 4999420, 10248811, 20497622, 40995244, 51244055, 102488110, 204976220]

約数ペア:

[(1, 204976220), (2, 102488110), (4, 51244055), (5, 40995244), (10, 20497622), (20, 10248811), (41, 4999420), (82, 2499710), (164, 1249855), (205, 999884), (410, 499942), (820, 249971)]