20349618579

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1721}}^1$

素因数の和:2058

約数の個数: 80

約数和(自身を含む): 33364590336

約数和(自身を除く): 13014971757

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 277, 279, 459, 527, 831, 837, 1377, 1581, 1721, 2493, 2511, 4709, 4743, 5163, 7479, 8587, 14127, 14229, 15489, 22437, 25761, 29257, 42381, 42687, 46467, 53351, 77283, 87771, 127143, 139401, 145979, 160053, 231849, 263313, 381429, 437937, 476717, 480159, 695547, 789939, 906967, 1313811, 1430151, 1440477, 2369817, 2720901, 3941433, 4290453, 4321431, 8104189, 8162703, 11824299, 12871359, 14778227, 24312567, 24488109, 38614077, 44334681, 72937701, 73464327, 133004043, 218813103, 251229859, 399012129, 656439309, 753689577, 1197036387, 2261068731, 6783206193, 20349618579]

約数ペア:

[(1, 20349618579), (3, 6783206193), (9, 2261068731), (17, 1197036387), (27, 753689577), (31, 656439309), (51, 399012129), (81, 251229859), (93, 218813103), (153, 133004043), (277, 73464327), (279, 72937701), (459, 44334681), (527, 38614077), (831, 24488109), (837, 24312567), (1377, 14778227), (1581, 12871359), (1721, 11824299), (2493, 8162703), (2511, 8104189), (4709, 4321431), (4743, 4290453), (5163, 3941433), (7479, 2720901), (8587, 2369817), (14127, 1440477), (14229, 1430151), (15489, 1313811), (22437, 906967), (25761, 789939), (29257, 695547), (42381, 480159), (42687, 476717), (46467, 437937), (53351, 381429), (77283, 263313), (87771, 231849), (127143, 160053), (139401, 145979)]