20256920740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3364937}}^1$

素因数の和:3364996

約数の個数: 48

約数和(自身を含む): 49747243392

約数和(自身を除く): 29490322652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 3364937, 6729874, 13459748, 16824685, 23554559, 33649370, 47109118, 67298740, 94218236, 117772795, 144692291, 235545590, 289384582, 471091180, 578769164, 723461455, 1012846037, 1446922910, 2025692074, 2893845820, 4051384148, 5064230185, 10128460370, 20256920740]

約数ペア:

[(1, 20256920740), (2, 10128460370), (4, 5064230185), (5, 4051384148), (7, 2893845820), (10, 2025692074), (14, 1446922910), (20, 1012846037), (28, 723461455), (35, 578769164), (43, 471091180), (70, 289384582), (86, 235545590), (140, 144692291), (172, 117772795), (215, 94218236), (301, 67298740), (430, 47109118), (602, 33649370), (860, 23554559), (1204, 16824685), (1505, 13459748), (3010, 6729874), (6020, 3364937)]