20670728

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15289}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 41971050

約数和(自身を除く): 21300322

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15289, 30578, 61156, 122312, 198757, 397514, 795028, 1590056, 2583841, 5167682, 10335364, 20670728]

約数ペア:

[(1, 20670728), (2, 10335364), (4, 5167682), (8, 2583841), (13, 1590056), (26, 795028), (52, 397514), (104, 198757), (169, 122312), (338, 61156), (676, 30578), (1352, 15289)]