20618427

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{367}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 28109312

約数和(自身を除く): 7490885

約数列:

[1, 3, 61, 183, 307, 367, 921, 1101, 18727, 22387, 56181, 67161, 112669, 338007, 6872809, 20618427]

約数ペア:

[(1, 20618427), (3, 6872809), (61, 338007), (183, 112669), (307, 67161), (367, 56181), (921, 22387), (1101, 18727)]