20491347

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 28042112

約数和(自身を除く): 7550765

約数列:

[1, 3, 67, 97, 201, 291, 1051, 3153, 6499, 19497, 70417, 101947, 211251, 305841, 6830449, 20491347]

約数ペア:

[(1, 20491347), (3, 6830449), (67, 305841), (97, 211251), (201, 101947), (291, 70417), (1051, 19497), (3153, 6499)]