20582660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 29467900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1861, 2212, 2765, 3722, 5530, 7444, 9305, 11060, 13027, 18610, 26054, 37220, 52108, 65135, 130270, 147019, 260540, 294038, 588076, 735095, 1029133, 1470190, 2058266, 2940380, 4116532, 5145665, 10291330, 20582660]

約数ペア:

[(1, 20582660), (2, 10291330), (4, 5145665), (5, 4116532), (7, 2940380), (10, 2058266), (14, 1470190), (20, 1029133), (28, 735095), (35, 588076), (70, 294038), (79, 260540), (140, 147019), (158, 130270), (316, 65135), (395, 52108), (553, 37220), (790, 26054), (1106, 18610), (1580, 13027), (1861, 11060), (2212, 9305), (2765, 7444), (3722, 5530)]