20538232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 45523080

約数和(自身を除く): 24984848

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1381, 1859, 2762, 3718, 5524, 7436, 11048, 14872, 15191, 17953, 30382, 35906, 60764, 71812, 121528, 143624, 197483, 233389, 394966, 466778, 789932, 933556, 1579864, 1867112, 2567279, 5134558, 10269116, 20538232]

約数ペア:

[(1, 20538232), (2, 10269116), (4, 5134558), (8, 2567279), (11, 1867112), (13, 1579864), (22, 933556), (26, 789932), (44, 466778), (52, 394966), (88, 233389), (104, 197483), (143, 143624), (169, 121528), (286, 71812), (338, 60764), (572, 35906), (676, 30382), (1144, 17953), (1352, 15191), (1381, 14872), (1859, 11048), (2762, 7436), (3718, 5524)]