20099079

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 41094144

約数和(自身を除く): 20995065

約数列:

[1, 3, 7, 9, 11, 13, 21, 23, 33, 39, 63, 69, 77, 91, 97, 99, 117, 143, 161, 207, 231, 253, 273, 291, 299, 429, 483, 679, 693, 759, 819, 873, 897, 1001, 1067, 1261, 1287, 1449, 1771, 2037, 2093, 2231, 2277, 2691, 3003, 3201, 3289, 3783, 5313, 6111, 6279, 6693, 7469, 8827, 9009, 9603, 9867, 11349, 13871, 15617, 15939, 18837, 20079, 22407, 23023, 24541, 26481, 29003, 29601, 41613, 46851, 67221, 69069, 73623, 79443, 87009, 97097, 124839, 140553, 171787, 203021, 207207, 220869, 261027, 291291, 319033, 515361, 609063, 873873, 957099, 1546083, 1827189, 2233231, 2871297, 6699693, 20099079]

約数ペア:

[(1, 20099079), (3, 6699693), (7, 2871297), (9, 2233231), (11, 1827189), (13, 1546083), (21, 957099), (23, 873873), (33, 609063), (39, 515361), (63, 319033), (69, 291291), (77, 261027), (91, 220869), (97, 207207), (99, 203021), (117, 171787), (143, 140553), (161, 124839), (207, 97097), (231, 87009), (253, 79443), (273, 73623), (291, 69069), (299, 67221), (429, 46851), (483, 41613), (679, 29601), (693, 29003), (759, 26481), (819, 24541), (873, 23023), (897, 22407), (1001, 20079), (1067, 18837), (1261, 15939), (1287, 15617), (1449, 13871), (1771, 11349), (2037, 9867), (2093, 9603), (2231, 9009), (2277, 8827), (2691, 7469), (3003, 6693), (3201, 6279), (3289, 6111), (3783, 5313)]