20427270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4337}}^1$

素因数の和:4504

約数の個数: 32

約数和(自身を含む): 49349088

約数和(自身を除く): 28921818

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4337, 4710, 8674, 13011, 21685, 26022, 43370, 65055, 130110, 680909, 1361818, 2042727, 3404545, 4085454, 6809090, 10213635, 20427270]

約数ペア:

[(1, 20427270), (2, 10213635), (3, 6809090), (5, 4085454), (6, 3404545), (10, 2042727), (15, 1361818), (30, 680909), (157, 130110), (314, 65055), (471, 43370), (785, 26022), (942, 21685), (1570, 13011), (2355, 8674), (4337, 4710)]