55191820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20143}}^1$

素因数の和:20289

約数の個数: 24

約数和(自身を含む): 116754624

約数和(自身を除く): 61562804

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 20143, 40286, 80572, 100715, 201430, 402860, 2759591, 5519182, 11038364, 13797955, 27595910, 55191820]

約数ペア:

[(1, 55191820), (2, 27595910), (4, 13797955), (5, 11038364), (10, 5519182), (20, 2759591), (137, 402860), (274, 201430), (548, 100715), (685, 80572), (1370, 40286), (2740, 20143)]