15845420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5783}}^1$

素因数の和:5929

約数の個数: 24

約数和(自身を含む): 33524064

約数和(自身を除く): 17678644

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 5783, 11566, 23132, 28915, 57830, 115660, 792271, 1584542, 3169084, 3961355, 7922710, 15845420]

約数ペア:

[(1, 15845420), (2, 7922710), (4, 3961355), (5, 3169084), (10, 1584542), (20, 792271), (137, 115660), (274, 57830), (548, 28915), (685, 23132), (1370, 11566), (2740, 5783)]