20353170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1511}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 28635630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1511, 2245, 2694, 3022, 4490, 4533, 6735, 7555, 9066, 13470, 15110, 22665, 45330, 678439, 1356878, 2035317, 3392195, 4070634, 6784390, 10176585, 20353170]

約数ペア:

[(1, 20353170), (2, 10176585), (3, 6784390), (5, 4070634), (6, 3392195), (10, 2035317), (15, 1356878), (30, 678439), (449, 45330), (898, 22665), (1347, 15110), (1511, 13470), (2245, 9066), (2694, 7555), (3022, 6735), (4490, 4533)]