19765780

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3373}}^1$

素因数の和:3675

約数の個数: 24

約数和(自身を含む): 41662152

約数和(自身を除く): 21896372

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3373, 5860, 6746, 13492, 16865, 33730, 67460, 988289, 1976578, 3953156, 4941445, 9882890, 19765780]

約数ペア:

[(1, 19765780), (2, 9882890), (4, 4941445), (5, 3953156), (10, 1976578), (20, 988289), (293, 67460), (586, 33730), (1172, 16865), (1465, 13492), (2930, 6746), (3373, 5860)]