20551410520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{982381}}^1$

素因数の和:982915

約数の個数: 32

約数和(自身を含む): 46329135120

約数和(自身を除く): 25777724600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 20920, 982381, 1964762, 3929524, 4911905, 7859048, 9823810, 19647620, 39295240, 513785263, 1027570526, 2055141052, 2568926315, 4110282104, 5137852630, 10275705260, 20551410520]

約数ペア:

[(1, 20551410520), (2, 10275705260), (4, 5137852630), (5, 4110282104), (8, 2568926315), (10, 2055141052), (20, 1027570526), (40, 513785263), (523, 39295240), (1046, 19647620), (2092, 9823810), (2615, 7859048), (4184, 4911905), (5230, 3929524), (10460, 1964762), (20920, 982381)]