20117448

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21493}}^1$

素因数の和:21518

約数の個数: 48

約数和(自身を含む): 58678620

約数和(自身を除く): 38561172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21493, 42986, 64479, 85972, 128958, 171944, 193437, 257916, 279409, 386874, 515832, 558818, 773748, 838227, 1117636, 1547496, 1676454, 2235272, 2514681, 3352908, 5029362, 6705816, 10058724, 20117448]

約数ペア:

[(1, 20117448), (2, 10058724), (3, 6705816), (4, 5029362), (6, 3352908), (8, 2514681), (9, 2235272), (12, 1676454), (13, 1547496), (18, 1117636), (24, 838227), (26, 773748), (36, 558818), (39, 515832), (52, 386874), (72, 279409), (78, 257916), (104, 193437), (117, 171944), (156, 128958), (234, 85972), (312, 64479), (468, 42986), (936, 21493)]