20949768

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 65482560

約数和(自身を除く): 44532792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 197, 211, 252, 394, 422, 504, 591, 633, 788, 844, 1182, 1266, 1379, 1477, 1576, 1688, 1773, 1899, 2364, 2532, 2758, 2954, 3546, 3798, 4137, 4431, 4728, 5064, 5516, 5908, 7092, 7596, 8274, 8862, 11032, 11816, 12411, 13293, 14184, 15192, 16548, 17724, 24822, 26586, 33096, 35448, 41567, 49644, 53172, 83134, 99288, 106344, 124701, 166268, 249402, 290969, 332536, 374103, 498804, 581938, 748206, 872907, 997608, 1163876, 1496412, 1745814, 2327752, 2618721, 2992824, 3491628, 5237442, 6983256, 10474884, 20949768]

約数ペア:

[(1, 20949768), (2, 10474884), (3, 6983256), (4, 5237442), (6, 3491628), (7, 2992824), (8, 2618721), (9, 2327752), (12, 1745814), (14, 1496412), (18, 1163876), (21, 997608), (24, 872907), (28, 748206), (36, 581938), (42, 498804), (56, 374103), (63, 332536), (72, 290969), (84, 249402), (126, 166268), (168, 124701), (197, 106344), (211, 99288), (252, 83134), (394, 53172), (422, 49644), (504, 41567), (591, 35448), (633, 33096), (788, 26586), (844, 24822), (1182, 17724), (1266, 16548), (1379, 15192), (1477, 14184), (1576, 13293), (1688, 12411), (1773, 11816), (1899, 11032), (2364, 8862), (2532, 8274), (2758, 7596), (2954, 7092), (3546, 5908), (3798, 5516), (4137, 5064), (4431, 4728)]