20488944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 64563328

約数和(自身を除く): 44074384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 211, 238, 272, 289, 336, 357, 408, 422, 476, 578, 633, 714, 816, 844, 867, 952, 1156, 1266, 1428, 1477, 1688, 1734, 1904, 2023, 2312, 2532, 2856, 2954, 3376, 3468, 3587, 4046, 4431, 4624, 5064, 5712, 5908, 6069, 6936, 7174, 8092, 8862, 10128, 10761, 11816, 12138, 13872, 14348, 16184, 17724, 21522, 23632, 24276, 25109, 28696, 32368, 35448, 43044, 48552, 50218, 57392, 60979, 70896, 75327, 86088, 97104, 100436, 121958, 150654, 172176, 182937, 200872, 243916, 301308, 365874, 401744, 426853, 487832, 602616, 731748, 853706, 975664, 1205232, 1280559, 1463496, 1707412, 2561118, 2926992, 3414824, 5122236, 6829648, 10244472, 20488944]

約数ペア:

[(1, 20488944), (2, 10244472), (3, 6829648), (4, 5122236), (6, 3414824), (7, 2926992), (8, 2561118), (12, 1707412), (14, 1463496), (16, 1280559), (17, 1205232), (21, 975664), (24, 853706), (28, 731748), (34, 602616), (42, 487832), (48, 426853), (51, 401744), (56, 365874), (68, 301308), (84, 243916), (102, 200872), (112, 182937), (119, 172176), (136, 150654), (168, 121958), (204, 100436), (211, 97104), (238, 86088), (272, 75327), (289, 70896), (336, 60979), (357, 57392), (408, 50218), (422, 48552), (476, 43044), (578, 35448), (633, 32368), (714, 28696), (816, 25109), (844, 24276), (867, 23632), (952, 21522), (1156, 17724), (1266, 16184), (1428, 14348), (1477, 13872), (1688, 12138), (1734, 11816), (1904, 10761), (2023, 10128), (2312, 8862), (2532, 8092), (2856, 7174), (2954, 6936), (3376, 6069), (3468, 5908), (3587, 5712), (4046, 5064), (4431, 4624)]