20850786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 52715520

約数和(自身を除く): 31864734

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 43, 62, 66, 79, 86, 93, 99, 129, 158, 186, 198, 237, 258, 279, 341, 387, 473, 474, 558, 682, 711, 774, 869, 946, 1023, 1333, 1419, 1422, 1738, 2046, 2449, 2607, 2666, 2838, 3069, 3397, 3999, 4257, 4898, 5214, 6138, 6794, 7347, 7821, 7998, 8514, 10191, 11997, 14663, 14694, 15642, 20382, 22041, 23994, 26939, 29326, 30573, 37367, 43989, 44082, 53878, 61146, 74734, 80817, 87978, 105307, 112101, 131967, 161634, 210614, 224202, 242451, 263934, 315921, 336303, 484902, 631842, 672606, 947763, 1158377, 1895526, 2316754, 3475131, 6950262, 10425393, 20850786]

約数ペア:

[(1, 20850786), (2, 10425393), (3, 6950262), (6, 3475131), (9, 2316754), (11, 1895526), (18, 1158377), (22, 947763), (31, 672606), (33, 631842), (43, 484902), (62, 336303), (66, 315921), (79, 263934), (86, 242451), (93, 224202), (99, 210614), (129, 161634), (158, 131967), (186, 112101), (198, 105307), (237, 87978), (258, 80817), (279, 74734), (341, 61146), (387, 53878), (473, 44082), (474, 43989), (558, 37367), (682, 30573), (711, 29326), (774, 26939), (869, 23994), (946, 22041), (1023, 20382), (1333, 15642), (1419, 14694), (1422, 14663), (1738, 11997), (2046, 10191), (2449, 8514), (2607, 7998), (2666, 7821), (2838, 7347), (3069, 6794), (3397, 6138), (3999, 5214), (4257, 4898)]