20590510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 38633472

約数和(自身を除く): 18042962

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 523, 635, 1046, 1270, 2615, 3937, 5230, 7874, 16213, 19685, 32426, 39370, 66421, 81065, 132842, 162130, 332105, 664210, 2059051, 4118102, 10295255, 20590510]

約数ペア:

[(1, 20590510), (2, 10295255), (5, 4118102), (10, 2059051), (31, 664210), (62, 332105), (127, 162130), (155, 132842), (254, 81065), (310, 66421), (523, 39370), (635, 32426), (1046, 19685), (1270, 16213), (2615, 7874), (3937, 5230)]