20746746

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 49372800

約数和(自身を除く): 28626054

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 114, 146, 171, 219, 277, 342, 438, 513, 554, 657, 831, 1026, 1314, 1387, 1662, 1971, 2493, 2774, 3942, 4161, 4986, 5263, 7479, 8322, 10526, 12483, 14958, 15789, 20221, 24966, 31578, 37449, 40442, 47367, 60663, 74898, 94734, 121326, 142101, 181989, 284202, 363978, 384199, 545967, 768398, 1091934, 1152597, 2305194, 3457791, 6915582, 10373373, 20746746]

約数ペア:

[(1, 20746746), (2, 10373373), (3, 6915582), (6, 3457791), (9, 2305194), (18, 1152597), (19, 1091934), (27, 768398), (38, 545967), (54, 384199), (57, 363978), (73, 284202), (114, 181989), (146, 142101), (171, 121326), (219, 94734), (277, 74898), (342, 60663), (438, 47367), (513, 40442), (554, 37449), (657, 31578), (831, 24966), (1026, 20221), (1314, 15789), (1387, 14958), (1662, 12483), (1971, 10526), (2493, 8322), (2774, 7479), (3942, 5263), (4161, 4986)]