20966380

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3307}}^1$

素因数の和:3633

約数の個数: 24

約数和(自身を含む): 44181648

約数和(自身を除く): 23215268

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 3307, 6340, 6614, 13228, 16535, 33070, 66140, 1048319, 2096638, 4193276, 5241595, 10483190, 20966380]

約数ペア:

[(1, 20966380), (2, 10483190), (4, 5241595), (5, 4193276), (10, 2096638), (20, 1048319), (317, 66140), (634, 33070), (1268, 16535), (1585, 13228), (3170, 6614), (3307, 6340)]