20110203

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 30126096

約数和(自身を除く): 10015893

約数列:

[1, 3, 9, 37, 111, 131, 333, 393, 461, 1179, 1383, 4149, 4847, 14541, 17057, 43623, 51171, 60391, 153513, 181173, 543519, 2234467, 6703401, 20110203]

約数ペア:

[(1, 20110203), (3, 6703401), (9, 2234467), (37, 543519), (111, 181173), (131, 153513), (333, 60391), (393, 51171), (461, 43623), (1179, 17057), (1383, 14541), (4149, 4847)]