20647582011

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{233599}}^1$

素因数の和:233696

約数の個数: 48

約数和(自身を含む): 36150067200

約数和(自身を除く): 15502485189

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 183, 207, 427, 483, 549, 1281, 1403, 1449, 3843, 4209, 9821, 12627, 29463, 88389, 233599, 700797, 1635193, 2102391, 4905579, 5372777, 14249539, 14716737, 16118331, 37609439, 42748617, 48354993, 99746773, 112828317, 128245851, 299240319, 327739397, 338484951, 897720957, 983218191, 2294175779, 2949654573, 6882527337, 20647582011]

約数ペア:

[(1, 20647582011), (3, 6882527337), (7, 2949654573), (9, 2294175779), (21, 983218191), (23, 897720957), (61, 338484951), (63, 327739397), (69, 299240319), (161, 128245851), (183, 112828317), (207, 99746773), (427, 48354993), (483, 42748617), (549, 37609439), (1281, 16118331), (1403, 14716737), (1449, 14249539), (3843, 5372777), (4209, 4905579), (9821, 2102391), (12627, 1635193), (29463, 700797), (88389, 233599)]