20197102541

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{21893}}^1\times {\mathrm{11981}}^1$

素因数の和:33892

約数の個数: 16

約数和(自身を含む): 25184055168

約数和(自身を除く): 4986952627

約数列:

[1, 7, 11, 77, 11981, 21893, 83867, 131791, 153251, 240823, 922537, 1685761, 262300033, 1836100231, 2885300363, 20197102541]

約数ペア:

[(1, 20197102541), (7, 2885300363), (11, 1836100231), (77, 262300033), (11981, 1685761), (21893, 922537), (83867, 240823), (131791, 153251)]