20267965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 25758720

約数和(自身を除く): 5490755

約数列:

[1, 5, 19, 95, 191, 955, 1117, 3629, 5585, 18145, 21223, 106115, 213347, 1066735, 4053593, 20267965]

約数ペア:

[(1, 20267965), (5, 4053593), (19, 1066735), (95, 213347), (191, 106115), (955, 21223), (1117, 18145), (3629, 5585)]