20199972429

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{134777}}^1$

素因数の和:134867

約数の個数: 64

約数和(自身を含む): 37435937280

約数和(自身を除く): 17235964851

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 61, 63, 91, 117, 183, 189, 273, 351, 427, 549, 793, 819, 1281, 1647, 2379, 2457, 3843, 5551, 7137, 11529, 16653, 21411, 49959, 134777, 149877, 404331, 943439, 1212993, 1752101, 2830317, 3638979, 5256303, 8221397, 8490951, 12264707, 15768909, 24664191, 25472853, 36794121, 47306727, 57549779, 73992573, 106878161, 110382363, 172649337, 221977719, 320634483, 331147089, 517948011, 748147127, 961903449, 1553844033, 2244441381, 2885710347, 6733324143, 20199972429]

約数ペア:

[(1, 20199972429), (3, 6733324143), (7, 2885710347), (9, 2244441381), (13, 1553844033), (21, 961903449), (27, 748147127), (39, 517948011), (61, 331147089), (63, 320634483), (91, 221977719), (117, 172649337), (183, 110382363), (189, 106878161), (273, 73992573), (351, 57549779), (427, 47306727), (549, 36794121), (793, 25472853), (819, 24664191), (1281, 15768909), (1647, 12264707), (2379, 8490951), (2457, 8221397), (3843, 5256303), (5551, 3638979), (7137, 2830317), (11529, 1752101), (16653, 1212993), (21411, 943439), (49959, 404331), (134777, 149877)]