20883576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 60065280

約数和(自身を除く): 39181704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 197, 394, 591, 631, 788, 1182, 1262, 1379, 1576, 1893, 2364, 2524, 2758, 3786, 4137, 4417, 4728, 5048, 5516, 7572, 8274, 8834, 11032, 13251, 15144, 16548, 17668, 26502, 33096, 35336, 53004, 106008, 124307, 248614, 372921, 497228, 745842, 870149, 994456, 1491684, 1740298, 2610447, 2983368, 3480596, 5220894, 6961192, 10441788, 20883576]

約数ペア:

[(1, 20883576), (2, 10441788), (3, 6961192), (4, 5220894), (6, 3480596), (7, 2983368), (8, 2610447), (12, 1740298), (14, 1491684), (21, 994456), (24, 870149), (28, 745842), (42, 497228), (56, 372921), (84, 248614), (168, 124307), (197, 106008), (394, 53004), (591, 35336), (631, 33096), (788, 26502), (1182, 17668), (1262, 16548), (1379, 15144), (1576, 13251), (1893, 11032), (2364, 8834), (2524, 8274), (2758, 7572), (3786, 5516), (4137, 5048), (4417, 4728)]