20982050

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{3019}}^1$

素因数の和:3170

約数の個数: 24

約数和(自身を含む): 39320400

約数和(自身を除く): 18338350

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3019, 3475, 6038, 6950, 15095, 30190, 75475, 150950, 419641, 839282, 2098205, 4196410, 10491025, 20982050]

約数ペア:

[(1, 20982050), (2, 10491025), (5, 4196410), (10, 2098205), (25, 839282), (50, 419641), (139, 150950), (278, 75475), (695, 30190), (1390, 15095), (3019, 6950), (3475, 6038)]