20952231

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2467}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 29616000

約数和(自身を除く): 8663769

約数列:

[1, 3, 19, 57, 149, 447, 2467, 2831, 7401, 8493, 46873, 140619, 367583, 1102749, 6984077, 20952231]

約数ペア:

[(1, 20952231), (3, 6984077), (19, 1102749), (57, 367583), (149, 140619), (447, 46873), (2467, 8493), (2831, 7401)]