20839308

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 37490292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 83, 84, 98, 122, 147, 166, 183, 196, 244, 249, 294, 332, 343, 366, 427, 498, 581, 588, 686, 732, 854, 996, 1029, 1162, 1281, 1372, 1708, 1743, 2058, 2324, 2562, 2989, 3486, 4067, 4116, 5063, 5124, 5978, 6972, 8134, 8967, 10126, 11956, 12201, 15189, 16268, 17934, 20252, 20923, 24402, 28469, 30378, 35441, 35868, 41846, 48804, 56938, 60756, 62769, 70882, 83692, 85407, 106323, 113876, 125538, 141764, 170814, 212646, 248087, 251076, 341628, 425292, 496174, 744261, 992348, 1488522, 1736609, 2977044, 3473218, 5209827, 6946436, 10419654, 20839308]

約数ペア:

[(1, 20839308), (2, 10419654), (3, 6946436), (4, 5209827), (6, 3473218), (7, 2977044), (12, 1736609), (14, 1488522), (21, 992348), (28, 744261), (42, 496174), (49, 425292), (61, 341628), (83, 251076), (84, 248087), (98, 212646), (122, 170814), (147, 141764), (166, 125538), (183, 113876), (196, 106323), (244, 85407), (249, 83692), (294, 70882), (332, 62769), (343, 60756), (366, 56938), (427, 48804), (498, 41846), (581, 35868), (588, 35441), (686, 30378), (732, 28469), (854, 24402), (996, 20923), (1029, 20252), (1162, 17934), (1281, 16268), (1372, 15189), (1708, 12201), (1743, 11956), (2058, 10126), (2324, 8967), (2562, 8134), (2989, 6972), (3486, 5978), (4067, 5124), (4116, 5063)]