20674059

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16139}}^1$

素因数の和:16210

約数の個数: 16

約数和(自身を含む): 32021760

約数和(自身を除く): 11347701

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16139, 48417, 112973, 338919, 984479, 2953437, 6891353, 20674059]

約数ペア:

[(1, 20674059), (3, 6891353), (7, 2953437), (21, 984479), (61, 338919), (183, 112973), (427, 48417), (1281, 16139)]