20580885

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 39871104

約数和(自身を除く): 19290219

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1303, 1755, 3159, 3909, 5265, 6515, 11727, 15795, 16939, 19545, 35181, 50817, 58635, 84695, 105543, 152451, 175905, 254085, 316629, 457353, 527715, 762255, 1372059, 1583145, 2286765, 4116177, 6860295, 20580885]

約数ペア:

[(1, 20580885), (3, 6860295), (5, 4116177), (9, 2286765), (13, 1583145), (15, 1372059), (27, 762255), (39, 527715), (45, 457353), (65, 316629), (81, 254085), (117, 175905), (135, 152451), (195, 105543), (243, 84695), (351, 58635), (405, 50817), (585, 35181), (1053, 19545), (1215, 16939), (1303, 15795), (1755, 11727), (3159, 6515), (3909, 5265)]