20526457490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{859927}}^1$

素因数の和:859983

約数の個数: 64

約数和(自身を含む): 47550578688

約数和(自身を除く): 27024121198

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 1085, 1705, 2170, 2387, 3410, 4774, 11935, 23870, 859927, 1719854, 4299635, 6019489, 8599270, 9459197, 12038978, 18918394, 26657737, 30097445, 47295985, 53315474, 60194890, 66214379, 94591970, 132428758, 133288685, 186604159, 266577370, 293235107, 331071895, 373208318, 586470214, 662143790, 933020795, 1466175535, 1866041590, 2052645749, 2932351070, 4105291498, 10263228745, 20526457490]

約数ペア:

[(1, 20526457490), (2, 10263228745), (5, 4105291498), (7, 2932351070), (10, 2052645749), (11, 1866041590), (14, 1466175535), (22, 933020795), (31, 662143790), (35, 586470214), (55, 373208318), (62, 331071895), (70, 293235107), (77, 266577370), (110, 186604159), (154, 133288685), (155, 132428758), (217, 94591970), (310, 66214379), (341, 60194890), (385, 53315474), (434, 47295985), (682, 30097445), (770, 26657737), (1085, 18918394), (1705, 12038978), (2170, 9459197), (2387, 8599270), (3410, 6019489), (4774, 4299635), (11935, 1719854), (23870, 859927)]