20865743

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 22945920

約数和(自身を除く): 2080177

約数列:

[1, 19, 37, 67, 443, 703, 1273, 2479, 8417, 16391, 29681, 47101, 311429, 563939, 1098197, 20865743]

約数ペア:

[(1, 20865743), (19, 1098197), (37, 563939), (67, 311429), (443, 47101), (703, 29681), (1273, 16391), (2479, 8417)]