20975700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2411}}^1$

素因数の和:2457

約数の個数: 72

約数和(自身を含む): 62808480

約数和(自身を除く): 41832780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2411, 2900, 4350, 4822, 7233, 8700, 9644, 12055, 14466, 24110, 28932, 36165, 48220, 60275, 69919, 72330, 120550, 139838, 144660, 180825, 209757, 241100, 279676, 349595, 361650, 419514, 699190, 723300, 839028, 1048785, 1398380, 1747975, 2097570, 3495950, 4195140, 5243925, 6991900, 10487850, 20975700]

約数ペア:

[(1, 20975700), (2, 10487850), (3, 6991900), (4, 5243925), (5, 4195140), (6, 3495950), (10, 2097570), (12, 1747975), (15, 1398380), (20, 1048785), (25, 839028), (29, 723300), (30, 699190), (50, 419514), (58, 361650), (60, 349595), (75, 279676), (87, 241100), (100, 209757), (116, 180825), (145, 144660), (150, 139838), (174, 120550), (290, 72330), (300, 69919), (348, 60275), (435, 48220), (580, 36165), (725, 28932), (870, 24110), (1450, 14466), (1740, 12055), (2175, 9644), (2411, 8700), (2900, 7233), (4350, 4822)]