20751617

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 1988863

約数列:

[1, 29, 31, 41, 563, 899, 1189, 1271, 16327, 17453, 23083, 36859, 506137, 669407, 715573, 20751617]

約数ペア:

[(1, 20751617), (29, 715573), (31, 669407), (41, 506137), (563, 36859), (899, 23083), (1189, 17453), (1271, 16327)]