20938294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1301}}^1$

素因数の和:1935

約数の個数: 16

約数和(自身を含む): 33904080

約数和(自身を除く): 12965786

約数列:

[1, 2, 13, 26, 619, 1238, 1301, 2602, 8047, 16094, 16913, 33826, 805319, 1610638, 10469147, 20938294]

約数ペア:

[(1, 20938294), (2, 10469147), (13, 1610638), (26, 805319), (619, 33826), (1238, 16913), (1301, 16094), (2602, 8047)]