20765913

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14759}}^1$

素因数の和:14836

約数の個数: 16

約数和(自身を含む): 32117760

約数和(自身を除く): 11351847

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14759, 44277, 103313, 309939, 988853, 2966559, 6921971, 20765913]

約数ペア:

[(1, 20765913), (3, 6921971), (7, 2966559), (21, 988853), (67, 309939), (201, 103313), (469, 44277), (1407, 14759)]