20479486

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 10820354

約数列:

[1, 2, 79, 158, 227, 454, 571, 1142, 17933, 35866, 45109, 90218, 129617, 259234, 10239743, 20479486]

約数ペア:

[(1, 20479486), (2, 10239743), (79, 259234), (158, 129617), (227, 90218), (454, 45109), (571, 35866), (1142, 17933)]