20118417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16477}}^1$

素因数の和:16528

約数の個数: 16

約数和(自身を含む): 30055872

約数和(自身を除く): 9937455

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16477, 49431, 181247, 543741, 609649, 1828947, 6706139, 20118417]

約数ペア:

[(1, 20118417), (3, 6706139), (11, 1828947), (33, 609649), (37, 543741), (111, 181247), (407, 49431), (1221, 16477)]