20303928

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3948

約数の個数: 48

約数和(自身を含む): 55757520

約数和(自身を除く): 35453592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 3863, 5256, 7726, 11589, 15452, 23178, 30904, 34767, 46356, 69534, 92712, 139068, 278136, 281999, 563998, 845997, 1127996, 1691994, 2255992, 2537991, 3383988, 5075982, 6767976, 10151964, 20303928]

約数ペア:

[(1, 20303928), (2, 10151964), (3, 6767976), (4, 5075982), (6, 3383988), (8, 2537991), (9, 2255992), (12, 1691994), (18, 1127996), (24, 845997), (36, 563998), (72, 281999), (73, 278136), (146, 139068), (219, 92712), (292, 69534), (438, 46356), (584, 34767), (657, 30904), (876, 23178), (1314, 15452), (1752, 11589), (2628, 7726), (3863, 5256)]