19956955

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 24915744

約数和(自身を除く): 4958789

約数列:

[1, 5, 41, 67, 205, 335, 1453, 2747, 7265, 13735, 59573, 97351, 297865, 486755, 3991391, 19956955]

約数ペア:

[(1, 19956955), (5, 3991391), (41, 486755), (67, 297865), (205, 97351), (335, 59573), (1453, 13735), (2747, 7265)]