20449969012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{25247}}^1$

素因数の和:25752

約数の個数: 48

約数和(自身を含む): 40083724800

約数和(自身を除く): 19633755788

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 449, 451, 898, 902, 1796, 1804, 4939, 9878, 18409, 19756, 25247, 36818, 50494, 73636, 100988, 202499, 277717, 404998, 555434, 809996, 1035127, 1110868, 2070254, 4140508, 11335903, 11386397, 22671806, 22772794, 45343612, 45545588, 124694933, 249389866, 464772023, 498779732, 929544046, 1859088092, 5112492253, 10224984506, 20449969012]

約数ペア:

[(1, 20449969012), (2, 10224984506), (4, 5112492253), (11, 1859088092), (22, 929544046), (41, 498779732), (44, 464772023), (82, 249389866), (164, 124694933), (449, 45545588), (451, 45343612), (898, 22772794), (902, 22671806), (1796, 11386397), (1804, 11335903), (4939, 4140508), (9878, 2070254), (18409, 1110868), (19756, 1035127), (25247, 809996), (36818, 555434), (50494, 404998), (73636, 277717), (100988, 202499)]