20145377

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 24407040

約数和(自身を除く): 4261663

約数列:

[1, 7, 19, 133, 167, 907, 1169, 3173, 6349, 17233, 22211, 120631, 151469, 1060283, 2877911, 20145377]

約数ペア:

[(1, 20145377), (7, 2877911), (19, 1060283), (133, 151469), (167, 120631), (907, 22211), (1169, 17233), (3173, 6349)]