20653300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12149}}^1$

素因数の和:12180

約数の個数: 36

約数和(自身を含む): 47457900

約数和(自身を除く): 26804600

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12149, 24298, 48596, 60745, 121490, 206533, 242980, 303725, 413066, 607450, 826132, 1032665, 1214900, 2065330, 4130660, 5163325, 10326650, 20653300]

約数ペア:

[(1, 20653300), (2, 10326650), (4, 5163325), (5, 4130660), (10, 2065330), (17, 1214900), (20, 1032665), (25, 826132), (34, 607450), (50, 413066), (68, 303725), (85, 242980), (100, 206533), (170, 121490), (340, 60745), (425, 48596), (850, 24298), (1700, 12149)]