20682846

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 47814624

約数和(自身を除く): 27131778

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 257, 263, 306, 514, 526, 771, 789, 1542, 1578, 2313, 2367, 4369, 4471, 4626, 4734, 8738, 8942, 13107, 13413, 26214, 26826, 39321, 40239, 67591, 78642, 80478, 135182, 202773, 405546, 608319, 1149047, 1216638, 2298094, 3447141, 6894282, 10341423, 20682846]

約数ペア:

[(1, 20682846), (2, 10341423), (3, 6894282), (6, 3447141), (9, 2298094), (17, 1216638), (18, 1149047), (34, 608319), (51, 405546), (102, 202773), (153, 135182), (257, 80478), (263, 78642), (306, 67591), (514, 40239), (526, 39321), (771, 26826), (789, 26214), (1542, 13413), (1578, 13107), (2313, 8942), (2367, 8738), (4369, 4734), (4471, 4626)]