19664960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8779}}^1$

素因数の和:8803

約数の個数: 56

約数和(自身を含む): 53522880

約数和(自身を除く): 33857920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8779, 17558, 35116, 43895, 61453, 70232, 87790, 122906, 140464, 175580, 245812, 280928, 307265, 351160, 491624, 561856, 614530, 702320, 983248, 1229060, 1404640, 1966496, 2458120, 2809280, 3932992, 4916240, 9832480, 19664960]

約数ペア:

[(1, 19664960), (2, 9832480), (4, 4916240), (5, 3932992), (7, 2809280), (8, 2458120), (10, 1966496), (14, 1404640), (16, 1229060), (20, 983248), (28, 702320), (32, 614530), (35, 561856), (40, 491624), (56, 351160), (64, 307265), (70, 280928), (80, 245812), (112, 175580), (140, 140464), (160, 122906), (224, 87790), (280, 70232), (320, 61453), (448, 43895), (560, 35116), (1120, 17558), (2240, 8779)]