20148569

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 4245031

約数列:

[1, 7, 19, 133, 197, 769, 1379, 3743, 5383, 14611, 26201, 102277, 151493, 1060451, 2878367, 20148569]

約数ペア:

[(1, 20148569), (7, 2878367), (19, 1060451), (133, 151493), (197, 102277), (769, 26201), (1379, 14611), (3743, 5383)]