20120803959

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{540751}}^1$

素因数の和:540990

約数の個数: 16

約数和(自身を含む): 27340421120

約数和(自身を除く): 7219617161

約数列:

[1, 3, 79, 157, 237, 471, 12403, 37209, 540751, 1622253, 42719329, 84897907, 128157987, 254693721, 6706934653, 20120803959]

約数ペア:

[(1, 20120803959), (3, 6706934653), (79, 254693721), (157, 128157987), (237, 84897907), (471, 42719329), (12403, 1622253), (37209, 540751)]