20420300

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5519}}^1$

素因数の和:5570

約数の個数: 36

約数和(自身を含む): 45517920

約数和(自身を除く): 25097620

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5519, 11038, 22076, 27595, 55190, 110380, 137975, 204203, 275950, 408406, 551900, 816812, 1021015, 2042030, 4084060, 5105075, 10210150, 20420300]

約数ペア:

[(1, 20420300), (2, 10210150), (4, 5105075), (5, 4084060), (10, 2042030), (20, 1021015), (25, 816812), (37, 551900), (50, 408406), (74, 275950), (100, 204203), (148, 137975), (185, 110380), (370, 55190), (740, 27595), (925, 22076), (1850, 11038), (3700, 5519)]