20159097

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15737}}^1$

素因数の和:15808

約数の個数: 16

約数和(自身を含む): 31224192

約数和(自身を除く): 11065095

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15737, 47211, 110159, 330477, 959957, 2879871, 6719699, 20159097]

約数ペア:

[(1, 20159097), (3, 6719699), (7, 2879871), (21, 959957), (61, 330477), (183, 110159), (427, 47211), (1281, 15737)]