20323749

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2393}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 8404251

約数列:

[1, 3, 19, 57, 149, 447, 2393, 2831, 7179, 8493, 45467, 136401, 356557, 1069671, 6774583, 20323749]

約数ペア:

[(1, 20323749), (3, 6774583), (19, 1069671), (57, 356557), (149, 136401), (447, 45467), (2393, 8493), (2831, 7179)]