20479968012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{317047}}^1$

素因数の和:317830

約数の個数: 48

約数和(自身を含む): 54684439040

約数和(自身を除く): 34204471028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 769, 1538, 2307, 3076, 4614, 5383, 9228, 10766, 16149, 21532, 32298, 64596, 317047, 634094, 951141, 1268188, 1902282, 2219329, 3804564, 4438658, 6657987, 8877316, 13315974, 26631948, 243809143, 487618286, 731427429, 975236572, 1462854858, 1706664001, 2925709716, 3413328002, 5119992003, 6826656004, 10239984006, 20479968012]

約数ペア:

[(1, 20479968012), (2, 10239984006), (3, 6826656004), (4, 5119992003), (6, 3413328002), (7, 2925709716), (12, 1706664001), (14, 1462854858), (21, 975236572), (28, 731427429), (42, 487618286), (84, 243809143), (769, 26631948), (1538, 13315974), (2307, 8877316), (3076, 6657987), (4614, 4438658), (5383, 3804564), (9228, 2219329), (10766, 1902282), (16149, 1268188), (21532, 951141), (32298, 634094), (64596, 317047)]