20877681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10723}}^1$

素因数の和:10796

約数の個数: 16

約数和(自身を含む): 30885120

約数和(自身を除く): 10007439

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 10723, 32169, 117953, 353859, 632657, 1897971, 6959227, 20877681]

約数ペア:

[(1, 20877681), (3, 6959227), (11, 1897971), (33, 632657), (59, 353859), (177, 117953), (649, 32169), (1947, 10723)]