20577117

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13267}}^1$

素因数の和:13328

約数の個数: 16

約数和(自身を含む): 30569472

約数和(自身を除く): 9992355

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13267, 39801, 145937, 437811, 623549, 1870647, 6859039, 20577117]

約数ペア:

[(1, 20577117), (3, 6859039), (11, 1870647), (33, 623549), (47, 437811), (141, 145937), (517, 39801), (1551, 13267)]