20040909

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 12779571

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 769, 1241, 1533, 2307, 3723, 5383, 8687, 13073, 16149, 26061, 39219, 56137, 91511, 168411, 274533, 392959, 954329, 1178877, 2862987, 6680303, 20040909]

約数ペア:

[(1, 20040909), (3, 6680303), (7, 2862987), (17, 1178877), (21, 954329), (51, 392959), (73, 274533), (119, 168411), (219, 91511), (357, 56137), (511, 39219), (769, 26061), (1241, 16149), (1533, 13073), (2307, 8687), (3723, 5383)]