20173381844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{443}}^1\times {\mathrm{13441}}^1$

素因数の和:13917

約数の個数: 72

約数和(自身を含む): 44451511104

約数和(自身を除く): 24278129260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 443, 484, 847, 886, 1694, 1772, 3101, 3388, 4873, 6202, 9746, 12404, 13441, 19492, 26882, 34111, 53603, 53764, 68222, 94087, 107206, 136444, 147851, 188174, 214412, 295702, 375221, 376348, 591404, 750442, 1034957, 1500884, 1626361, 2069914, 3252722, 4139828, 5954363, 6505444, 11384527, 11908726, 22769054, 23817452, 41680541, 45538108, 65497993, 83361082, 130995986, 166722164, 261991972, 458485951, 720477923, 916971902, 1440955846, 1833943804, 2881911692, 5043345461, 10086690922, 20173381844]

約数ペア:

[(1, 20173381844), (2, 10086690922), (4, 5043345461), (7, 2881911692), (11, 1833943804), (14, 1440955846), (22, 916971902), (28, 720477923), (44, 458485951), (77, 261991972), (121, 166722164), (154, 130995986), (242, 83361082), (308, 65497993), (443, 45538108), (484, 41680541), (847, 23817452), (886, 22769054), (1694, 11908726), (1772, 11384527), (3101, 6505444), (3388, 5954363), (4873, 4139828), (6202, 3252722), (9746, 2069914), (12404, 1626361), (13441, 1500884), (19492, 1034957), (26882, 750442), (34111, 591404), (53603, 376348), (53764, 375221), (68222, 295702), (94087, 214412), (107206, 188174), (136444, 147851)]