20761565180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{337367}}^1$

素因数の和:337574

約数の個数: 48

約数和(自身を含む): 46419137856

約数和(自身を除く): 25657572676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1810, 3077, 3620, 6154, 12308, 15385, 30770, 61540, 337367, 674734, 1349468, 1686835, 3373670, 5735239, 6747340, 11470478, 22940956, 28676195, 57352390, 61063427, 114704780, 122126854, 244253708, 305317135, 610634270, 1038078259, 1221268540, 2076156518, 4152313036, 5190391295, 10380782590, 20761565180]

約数ペア:

[(1, 20761565180), (2, 10380782590), (4, 5190391295), (5, 4152313036), (10, 2076156518), (17, 1221268540), (20, 1038078259), (34, 610634270), (68, 305317135), (85, 244253708), (170, 122126854), (181, 114704780), (340, 61063427), (362, 57352390), (724, 28676195), (905, 22940956), (1810, 11470478), (3077, 6747340), (3620, 5735239), (6154, 3373670), (12308, 1686835), (15385, 1349468), (30770, 674734), (61540, 337367)]