20876660049

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1741}}^1\times {\mathrm{3637}}^1$

素因数の和:5545

約数の個数: 32

約数和(自身を含む): 32041874176

約数和(自身を除く): 11165214127

約数列:

[1, 3, 7, 21, 157, 471, 1099, 1741, 3297, 3637, 5223, 10911, 12187, 25459, 36561, 76377, 273337, 571009, 820011, 1713027, 1913359, 3997063, 5740077, 6332017, 11991189, 18996051, 44324119, 132972357, 994126669, 2982380007, 6958886683, 20876660049]

約数ペア:

[(1, 20876660049), (3, 6958886683), (7, 2982380007), (21, 994126669), (157, 132972357), (471, 44324119), (1099, 18996051), (1741, 11991189), (3297, 6332017), (3637, 5740077), (5223, 3997063), (10911, 1913359), (12187, 1713027), (25459, 820011), (36561, 571009), (76377, 273337)]