20904373

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1811}}^1$

素因数の和:1932

約数の個数: 16

約数和(自身を含む): 25570944

約数和(自身を除く): 4666571

約数列:

[1, 7, 17, 97, 119, 679, 1649, 1811, 11543, 12677, 30787, 175667, 215509, 1229669, 2986339, 20904373]

約数ペア:

[(1, 20904373), (7, 2986339), (17, 1229669), (97, 215509), (119, 175667), (679, 30787), (1649, 12677), (1811, 11543)]