20138522

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 10654438

約数列:

[1, 2, 79, 158, 197, 394, 647, 1294, 15563, 31126, 51113, 102226, 127459, 254918, 10069261, 20138522]

約数ペア:

[(1, 20138522), (2, 10069261), (79, 254918), (158, 127459), (197, 102226), (394, 51113), (647, 31126), (1294, 15563)]