20184474765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{23509}}^1$

素因数の和:23591

約数の個数: 128

約数和(自身を含む): 43225297920

約数和(自身を除く): 23040823155

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 37, 39, 51, 65, 85, 91, 105, 111, 119, 185, 195, 221, 255, 259, 273, 357, 455, 481, 555, 595, 629, 663, 777, 1105, 1295, 1365, 1443, 1547, 1785, 1887, 2405, 3145, 3315, 3367, 3885, 4403, 4641, 7215, 7735, 8177, 9435, 10101, 13209, 16835, 22015, 23205, 23509, 24531, 40885, 50505, 57239, 66045, 70527, 117545, 122655, 164563, 171717, 286195, 305617, 352635, 399653, 493689, 822815, 858585, 869833, 916851, 1198959, 1528085, 1998265, 2139319, 2468445, 2609499, 2797571, 4349165, 4584255, 5195489, 5994795, 6088831, 6417957, 8392713, 10696595, 11307829, 13047495, 13987855, 14787161, 15586467, 18266493, 25977445, 30444155, 32089785, 33923487, 36368423, 41963565, 44361483, 56539145, 73935805, 77932335, 79154803, 91332465, 103510127, 109105269, 169617435, 181842115, 192233093, 221807415, 237464409, 310530381, 395774015, 517550635, 545526345, 576699279, 961165465, 1187322045, 1345631651, 1552651905, 2883496395, 4036894953, 6728158255, 20184474765]

約数ペア:

[(1, 20184474765), (3, 6728158255), (5, 4036894953), (7, 2883496395), (13, 1552651905), (15, 1345631651), (17, 1187322045), (21, 961165465), (35, 576699279), (37, 545526345), (39, 517550635), (51, 395774015), (65, 310530381), (85, 237464409), (91, 221807415), (105, 192233093), (111, 181842115), (119, 169617435), (185, 109105269), (195, 103510127), (221, 91332465), (255, 79154803), (259, 77932335), (273, 73935805), (357, 56539145), (455, 44361483), (481, 41963565), (555, 36368423), (595, 33923487), (629, 32089785), (663, 30444155), (777, 25977445), (1105, 18266493), (1295, 15586467), (1365, 14787161), (1443, 13987855), (1547, 13047495), (1785, 11307829), (1887, 10696595), (2405, 8392713), (3145, 6417957), (3315, 6088831), (3367, 5994795), (3885, 5195489), (4403, 4584255), (4641, 4349165), (7215, 2797571), (7735, 2609499), (8177, 2468445), (9435, 2139319), (10101, 1998265), (13209, 1528085), (16835, 1198959), (22015, 916851), (23205, 869833), (23509, 858585), (24531, 822815), (40885, 493689), (50505, 399653), (57239, 352635), (66045, 305617), (70527, 286195), (117545, 171717), (122655, 164563)]