20176785729

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1493581}}^1$

素因数の和:1493685

約数の個数: 24

約数和(自身を含む): 31066505600

約数和(自身を除く): 10889719871

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 4503, 13509, 1493581, 4480743, 13442229, 28378039, 85134117, 117992899, 255402351, 353978697, 1061936091, 2241865081, 6725595243, 20176785729]

約数ペア:

[(1, 20176785729), (3, 6725595243), (9, 2241865081), (19, 1061936091), (57, 353978697), (79, 255402351), (171, 117992899), (237, 85134117), (711, 28378039), (1501, 13442229), (4503, 4480743), (13509, 1493581)]