20188129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 23200128

約数和(自身を除く): 3011999

約数列:

[1, 13, 17, 167, 221, 547, 2171, 2839, 7111, 9299, 36907, 91349, 120887, 1187537, 1552933, 20188129]

約数ペア:

[(1, 20188129), (13, 1552933), (17, 1187537), (167, 120887), (221, 91349), (547, 36907), (2171, 9299), (2839, 7111)]