20156821635

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{306871}}^1$

素因数の和:307059

約数の個数: 32

約数和(自身を含む): 33584071680

約数和(自身を除く): 13427250045

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 435, 453, 755, 2265, 4379, 13137, 21895, 65685, 306871, 920613, 1534355, 4603065, 8899259, 26697777, 44496295, 46337521, 133488885, 139012563, 231687605, 695062815, 1343788109, 4031364327, 6718940545, 20156821635]

約数ペア:

[(1, 20156821635), (3, 6718940545), (5, 4031364327), (15, 1343788109), (29, 695062815), (87, 231687605), (145, 139012563), (151, 133488885), (435, 46337521), (453, 44496295), (755, 26697777), (2265, 8899259), (4379, 4603065), (13137, 1534355), (21895, 920613), (65685, 306871)]