20626144

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 72

約数和(自身を含む): 51078384

約数和(自身を除く): 30452240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 761, 847, 968, 1232, 1522, 1694, 1936, 2464, 3044, 3388, 3872, 5327, 6088, 6776, 8371, 10654, 12176, 13552, 16742, 21308, 24352, 27104, 33484, 42616, 58597, 66968, 85232, 92081, 117194, 133936, 170464, 184162, 234388, 267872, 368324, 468776, 644567, 736648, 937552, 1289134, 1473296, 1875104, 2578268, 2946592, 5156536, 10313072, 20626144]

約数ペア:

[(1, 20626144), (2, 10313072), (4, 5156536), (7, 2946592), (8, 2578268), (11, 1875104), (14, 1473296), (16, 1289134), (22, 937552), (28, 736648), (32, 644567), (44, 468776), (56, 368324), (77, 267872), (88, 234388), (112, 184162), (121, 170464), (154, 133936), (176, 117194), (224, 92081), (242, 85232), (308, 66968), (352, 58597), (484, 42616), (616, 33484), (761, 27104), (847, 24352), (968, 21308), (1232, 16742), (1522, 13552), (1694, 12176), (1936, 10654), (2464, 8371), (3044, 6776), (3388, 6088), (3872, 5327)]