20123920187

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2866247}}^1$

素因数の和:2866330

約数の個数: 16

約数和(自身を含む): 24764382720

約数和(自身を除く): 4640462533

約数列:

[1, 7, 17, 59, 119, 413, 1003, 7021, 2866247, 20063729, 48726199, 169108573, 341083393, 1183760011, 2874845741, 20123920187]

約数ペア:

[(1, 20123920187), (7, 2874845741), (17, 1183760011), (59, 341083393), (119, 169108573), (413, 48726199), (1003, 20063729), (7021, 2866247)]