20184756472

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{239}}^1\times {\mathrm{36529}}^1$

素因数の和:36808

約数の個数: 48

約数和(自身を含む): 40372956000

約数和(自身を除く): 20188199528

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 289, 478, 578, 956, 1156, 1912, 2312, 4063, 8126, 16252, 32504, 36529, 69071, 73058, 138142, 146116, 276284, 292232, 552568, 620993, 1241986, 2483972, 4967944, 8730431, 10556881, 17460862, 21113762, 34921724, 42227524, 69843448, 84455048, 148417327, 296834654, 593669308, 1187338616, 2523094559, 5046189118, 10092378236, 20184756472]

約数ペア:

[(1, 20184756472), (2, 10092378236), (4, 5046189118), (8, 2523094559), (17, 1187338616), (34, 593669308), (68, 296834654), (136, 148417327), (239, 84455048), (289, 69843448), (478, 42227524), (578, 34921724), (956, 21113762), (1156, 17460862), (1912, 10556881), (2312, 8730431), (4063, 4967944), (8126, 2483972), (16252, 1241986), (32504, 620993), (36529, 552568), (69071, 292232), (73058, 276284), (138142, 146116)]