20122620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47911}}^1$

素因数の和:47930

約数の個数: 48

約数和(自身を含む): 64393728

約数和(自身を除く): 44271108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47911, 95822, 143733, 191644, 239555, 287466, 335377, 479110, 574932, 670754, 718665, 958220, 1006131, 1341508, 1437330, 1676885, 2012262, 2874660, 3353770, 4024524, 5030655, 6707540, 10061310, 20122620]

約数ペア:

[(1, 20122620), (2, 10061310), (3, 6707540), (4, 5030655), (5, 4024524), (6, 3353770), (7, 2874660), (10, 2012262), (12, 1676885), (14, 1437330), (15, 1341508), (20, 1006131), (21, 958220), (28, 718665), (30, 670754), (35, 574932), (42, 479110), (60, 335377), (70, 287466), (84, 239555), (105, 191644), (140, 143733), (210, 95822), (420, 47911)]