20565207556

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1\times {\mathrm{691}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 36777585600

約数和(自身を除く): 16212378044

約数列:

[1, 2, 4, 73, 146, 227, 292, 449, 454, 691, 898, 908, 1382, 1796, 2764, 16571, 32777, 33142, 50443, 65554, 66284, 100886, 101923, 131108, 156857, 201772, 203846, 310259, 313714, 407692, 620518, 627428, 1241036, 7440379, 11450561, 14880758, 22648907, 22901122, 29761516, 45297814, 45802244, 70428793, 90595628, 140857586, 281715172, 5141301889, 10282603778, 20565207556]

約数ペア:

[(1, 20565207556), (2, 10282603778), (4, 5141301889), (73, 281715172), (146, 140857586), (227, 90595628), (292, 70428793), (449, 45802244), (454, 45297814), (691, 29761516), (898, 22901122), (908, 22648907), (1382, 14880758), (1796, 11450561), (2764, 7440379), (16571, 1241036), (32777, 627428), (33142, 620518), (50443, 407692), (65554, 313714), (66284, 310259), (100886, 203846), (101923, 201772), (131108, 156857)]