20401131

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4226

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 8214549

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4139, 4929, 12417, 128309, 219367, 384927, 658101, 6800377, 20401131]

約数ペア:

[(1, 20401131), (3, 6800377), (31, 658101), (53, 384927), (93, 219367), (159, 128309), (1643, 12417), (4139, 4929)]