20294464

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:863

約数の個数: 56

約数和(自身を含む): 44549568

約数和(自身を除く): 24255104

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 811, 1088, 1472, 1564, 1622, 3128, 3244, 6256, 6488, 12512, 12976, 13787, 18653, 25024, 25952, 27574, 37306, 51904, 55148, 74612, 110296, 149224, 220592, 298448, 317101, 441184, 596896, 634202, 882368, 1193792, 1268404, 2536808, 5073616, 10147232, 20294464]

約数ペア:

[(1, 20294464), (2, 10147232), (4, 5073616), (8, 2536808), (16, 1268404), (17, 1193792), (23, 882368), (32, 634202), (34, 596896), (46, 441184), (64, 317101), (68, 298448), (92, 220592), (136, 149224), (184, 110296), (272, 74612), (368, 55148), (391, 51904), (544, 37306), (736, 27574), (782, 25952), (811, 25024), (1088, 18653), (1472, 13787), (1564, 12976), (1622, 12512), (3128, 6488), (3244, 6256)]